$18.99 $ 18. 99. GroEzy Expandable Pots / Opentops. Dont worry if the mix feels soaking wet, it will dry in the fabric pots once you have a fan blowing over them in your grow tent. This field is for validation purposes and should be left unchanged. Germinate seeds in fresh Rapid Rooters. whats up guys was woundering what you guys think growing in coco/perlight mix. See What Youre Making Makes about 10gallons of potting mix, This will make about 10 gallons of potting mix, just enough potting mix for, OR 3 x 3-gallon containers plus a little extra, OR any setup that uses about 10 gallons of potting mix, Note: I hydrate the two bricks one at a time in the 5-gallon bucket because the 5-gallon buckets are easier for mixing in perlite, and the whole process goes by in less than a half hour anyway even if you do bricks one at a time. The EC numbers are important to maintain the best range for the plant. Fresh Rapid Rooters give some of the best germination rates, but of course theres other ways to start your plants. Growing Weed in Coco Coir - Happy Pot Farmer 5 gallons is more than enough on a 3 week veg. The Ameri-Coco grow bags are popular for tomatoes, cucumbers, berries and cannabis. At Coco for Cannabis, we curated a list for all of your growing needs! You can get away with smaller pots in coco. If pots you allow pots to sit in their run-off water, it will be reabsorbed into the pot. ), [HLG Blackbird] 600W Premium LED Cannabis Grow Setup & Shopping List (up to 1.5 lb yield). GER . Everything you need to make your coco coir mix can be sent discreetly to your house. It almost looks like soil and we put it into pots just like soil. [Checklist] Get Prepared to Start Growing Indoors. I use a 10-gallon fabric containerfrom Mad Farmer (basically aSmart Pot by a different company)because its sturdy, has handles and will stand up on its own after addingcoco coir. GroEzy 5 Gallon Prefilled w/70/30 Coco Perlite Grow Bag $1,200.00 USD $1,137.50 USD Sale GroEzy 3 Gallon Prefilled 70/30 Coco Perlite Grow Bag $1,200.00 USD From $800.00 USD Sold out GroEzy 1 Gallon Prefilled 70/30 Coco Perlite Grow Bag From $64.00 USD Sold out GroEzy 2 Gallon Prefilled 70/30 Coco Perlite Grow Bag $1,200.00 USD From $600.00 USD I thought we could get away with 2 gallon buckets, but they became root bound about one week after switching to 12/12 cycle. Many of our fertigation practices are about maintaining this balance with the correct EC and NER in the root zone. They are breathable and drain well. I recommend smaller containers for smaller plants, and when the grower is willing to water more often. I use the following as a guide for pot size in a 5ft tent. However, if you are willing to commit to at least once daily fertigation, you can start to unlock the magic of coco. Growing Cannabis in Coco - Coco For Cannabis Centigray Apr 25, 2020 Centigray Active Member Apr 25, 2020 #1 Hello, it's been awhile. The fertilizers that we add to the water are different forms of salts. But lugging the water and mixing it all up gets tiresome at times. Good eye for detail there. My two cents.I've been using the 5 gallon smart pots, and the size of my autos has been quite impressive (I'm growing 1 at a time, space is not an issue). However, osmosis is affected by the salinity of the nutrient solution. I look forward to keeping everyone updated on the grow. No, not in my experience. Is there a huge difference in yield? Hey guys I launched another handwater coco grow. It is not something that you need to start, but it is something to keep in mind. Buy Hydroponic Bucket Systems Online at HTG Supply Our large selection of hydroponic growing products is unmatched by our competitors. Mother Earth Coco Mix (70% coco / 30% perlite, Learn more about whichnutrients you should use for growing cannabis in coco coir, hints about growing cannabis in coco coir, Here is the nutrient schedule Imusing right now, Here is the coco coir nutrient schedule Imusing right now, Learn more about cannabis life stages and switching the flowering stage, Heres the custom Flora Series + CaliMagic nutrient schedule Iuse for coco coir, General Hydroponics Flora Series Nutrient Trio. The following tutorialmakes about10 gallons of potting mix. Why Cannabis Yields Arent Important (Anymore), Is the Kratky Method Good for Growing Cannabis? Expanded size: 8.5" x 8.5" x 12". FREE Returns . This means that we water frequently, but the amounts applied each time are small. For example, Fox Farm Coco Loco is a great choice for soil growers who want some of the benefits of coco. I'm trying something different with clones. Our goals are to demystify grow light metrics, share reliable grow light data and empower home growers with the best information about grow lights. We use premium coco grow media triple washed, EC below 0.5, balanced pH between 6.2-6.7. yd 5 kg 650g Using a 6" net pot with coco. Decisions to grow cannabis should be made in consultation with a lawyer or qualified legal advisor. . I guess everything has a trade off. Found saucers used for pots to drain in and they're a perfect fit for the top of a 5 gal bucket. 5 and 7 gallon when I did outdoor coco trees. This is what I use for my coco coir grow. The Coco for Cannabis Grow Light Guide is an independent and unsponsored resource for growers. The affected plants are lost the fans top to bottom but have pulled through only 1 dying. Filters Product Filters 5 Gallon Grow Bags $ 6.60 5 Gallon Phat Sacks $ 4.49 How It Works Start My Diary Login Sign Up. Coco Coir Bricks for Plants - Amazon.com Want to read more great cannabis growing articles? Honey Chome . pH Perfect Sensi Coco Bloom A . They get tipsy without a net or some kind of top support. How Does Color Spectrum Affect Growing Marijuana Plants? ): 12.95 lb 12.95 lb Delivering to: 60607 | Ship to Store Pickup Mar 6 - Mar 9 FREE Ship to Home Get it by Wed, Mar 8 FREE Quality coco coir medium (premixed bags are simplest, coco bricks are more economical)Perlite (increases drainage which is good for strong roots); Rinsed gravel or marble rocks, clay pellets, etc. Take a minute to sign upso you can ask questions, discuss your grow, orbrag about your plants with other real-life cannabis growers! Pot size in coco - THCFarmer Classic. There is no real reason to use 10 or 20 gallon pots indoor. In a soil-less media like coco, the plant takes nutrients directly from the water. What makes cannabis buds harsh to smoke? Riococo Open Top Grow Bags - 5 Gallon Size - amazon.com Plants do not have to invest energy to obtain the nutrients, which leads to more vigorous growth. Hand feeding 2 x a day with floranova bloom (4-8-7) 1 part nutrient @ 700ppm. For one, plants have less water because there is less water being added. Decisions to use cannabis should be made in consultation with your doctor or medical professional. 10% of 2.5 gallons is one quart. Using 1 600watt hps in a hood and 2 vertical. Shop 5 Gallon in HTG Supply Online Store One batch makes about5 gallons of potting mix, so it should easily fill a 5-gallon container. Continue to water plants with nutrientswith 10-30% extra runoff. Indeed! (bearded fabric) I use 2 and 3gallon indoor. Maintaining the media between 90-100% saturated means that we should fertigate again when the media has lost 10% of the water that it can hold. Growers can consistently add fresh nutrient solution that is set to the ideal NER, EC, and pH. 4 plants like that fill up a 3x3 scrog in a 4-foot tent under 600w hps easy peasy. . Ready to start your coco coir tutorial? I was surprised when I lifted the lid at the roots. Why are cannabis plants getting nutrient deficiencies when the pH is correct? Outlaw from Dutch passion hugging the tangie wasn't even touched neither was the lemon haze. Design and develop cultivation products for the modern farmer. At Coco for Cannabis, our mission is to help growers maximize the success of their cannabis crops by providing scientifically accurate information and sharing proven growing practices. Run-off carries away the excess salts and allows you to maintain a consistent root zone EC. GroEzy 5 Gallon Expandable Pot - The Coco Depot However, this tutorial focuses on coco growing that doesnt involve any soil or non-inert ingredients, in order to achieve the fastest growth. "Treachery and Old Age will overcome Youth and Skill". This is because of transpiration and evaporation, which remove water faster than the plant can absorb the nutrient salts. 7.) 50/50 mix but i also use the smart air pots, with 30% more coco at the bottom. Unlike the growbags, these 50-litre bags of coco pith are not pressed, meaning they are ready for use. Nutrients must be present in the water for plant nutrition to take place. Using 1 600watt hps in a hood and 2 vertical. Once plants are half the desired size, switch to the flowering stage (if you have auto-flowering plants, they will automatically switch to flowering after about 3 weeks). Great For Hydroponic Production Has very high air fill porosity (28-33%), moderate water holding capacity (4.5-5.5) Copyright 2009 - 2023. Decisions to grow cannabis should be made in consultation with a lawyer or qualified legal advisor. No matter what nutrient systemyoure using with your coco coir, I recommend giving plain water every other watering to prevent nutrient buildup. Because coco mixed with perlite maintains oxygen even when saturated, the best management practice is to maintain the coco at 90-100% saturation. Container and Pot Sizes: How Much Soil Do I Need? For a better experience, please enable JavaScript in your browser before proceeding. Check out our Knowledge section for instructions and videos on how to hydrate them and follow our YouTube channel: https://www.youtube.com/channel/UCWIErhjDTM77SHSiw9k33mQ/videos. [Updated to add Rhode Island and Maryland]. Plants can do this up to a point, but if their water is really to salty then osmosis will actually reverse, and water can be pulled out of the plant. Note: As an Amazon Associate, GrowWeedEasy.com earns a commission from qualifying purchases. comment sorted by Best Top New Controversial Q&A Add a Comment -sunnydaze- Additional comment actions. Otherwise more room for roots bigger plant and bigger yield potential if proper light coverage. 5 Effective Ways to Prevent Cannabis Hay Smell After Harvest. US Gallon CapacityDiameter 40cm, height 30cm. I do add a pinch of Epsom salt to each gallon. 8 weeks of veg then flip to flower would give you like 5 to 6 ft plants. It can be confusing since coco coir usually comes in dehydrated bricks with no instructions. We have specific guidelines for determining the best fertigation frequency for your grow in our tutorial, How to Water Cannabis Plants in Coco. It is defined as having fertigation intervals of less than 24 hours or fertigating at least once per day. Plants grown in coco under high frequency fertigation will grow as fast or faster than plants grown in any other medium. (and why that might or might not be a good thing). We have specific guidelines for determining the best fertigation frequency and quantity for your grow in our tutorial, How to Water Cannabis Plants in Coco. A well-managed coco grow cannot be beat. Line inside of 5-gallon bucket with fabric container. Since you are never giving the coco an opportunity to dry out, there is never going to be much capacity for it to hold more water. What causes seeds in buds while growing cannabis? Some growers will put their Rapid Rooters in solo cups, while others put their seedlingsdirectly in their final container. Prefilled with no mess and less labor. I've cloned the strains I'm interested in and the next go round will be using 1 gallon fabric pots with coco and clones flowered once established. 1.69 tsp/gal. This article is part one of Dr Cocos Guide to Feeding and Watering Cannabis in Coco. ya..mine got dirty as fuck. 5.68 ml/gal. You may alsoadd Cal-Mag with your other other nutrients if needed throughout the grow, though you may want to give it at lower doses. Growing Cannabis in Coco Coir | Grow Guide and Tips - Herbies Why do you add hydroton to your coco? I do add a pinch of Epsom salt to each gallon. Stretch of the strain you grow? Pull liner up and out, letting water drain, 5-gallon bucket < Available locally (Home Depot, Lowes, etc), Now that youve got your mix ready (or purchased a, 1.) In smaller containers, plants need to be fertigated more frequently because the media holds less water. Allowing the coco to get dry after fertigation creates significant problems for the plant. I would have been way better off with 1/2 the number. The information on cocoforcannabis.com should not be considered as financial, legal, or medical advice. Well I hand water with a wand which is becoming a pain with 12 plants under 1 600 an 1 400 watt so 1000 total, 3 gallon is my vote for such limited veg. I have used Shultz, Espoma, Black Gold, and even Miracle-Grobrand perlite. The correct NER is important for plant nutrition. Coco coir is made of ground-up coconut husks and works surprisingly well as a medium for growing plants. This adds a layer of soap under your finger nails, which will prevent coco coir from getting stuck under your nails. 3 gallon is plenty for your veg time. Sometimes significantly so. Plants grow best when conditions are consistent and high frequency fertigation provides the best method to maintain all those variables. Here's how to prepare coco coir: Line the inside of your 5-gallon bucket with your fabric pot. We argue that coco mixed with perlite is the best medium for growing indoor cannabis. . CocoGro - Botanicare In soil, it takes experience to know when to water. Yes, absolutely. 3b.) Athena Grow is a simple and clean formula designed for the vegetative stage of growth and for non-flowering plants. This page was generated at 07:52 AM. 2.) If you wanted, you could hydrate both bricks at once in a 10 gallon container, but thats too heavy for me to work with , How to Rehydrate Coco Coir & Mix in Perlite, 1.) When hand-watering you should plan for a 5 or 7-gallon final container. Is it because the root system has more space or because it has access to a wider area of nutrients? I personally like theGeneral Hydroponics Flora trioplus Calimagic(a Cal-Mag supplement) for growing in coco coir. You can still train plants by gently bending too-tall colas, but avoid any major training once the plant has started making buds. My tent is 5 ft high, 4 ft long, 2 ft deep, Ill be growing white widow from nirvana seeds. Electrical Conductivity (EC), is a measure of how saline (salty) the water is. just curious how it'll affect the outcome if at all, DWC the darkside of the force ( I love it! You must log in or register to reply here. If you have a hard time filling up an empty solo cup with water because its running out the bottom, you have added the right amount of drainage. 1/2 Gallon - Expanded size: 4" x 4" x 5" 1 Gallon - Expanded size: 5" x 5" x 5" I'm going with 5 gal fabric pots, my last grow was in 3 gal fabric pots. Soil based growing media become oxygen depleted when they are saturated with water. 10-20% of that quart of water should come through the media and drain into the saucer or collection area. This is less water than most growers assume. 5 gallons is more than enough on a 3 week veg. Most growers also benefit from adding a Cal-Mag supplement, which is a common gardening supplement that provides extra calcium. When EC and NER are balanced, fertigation fulfills the plants water needs and delivers nutrients to the plant in their most easily absorbable form. Coco should not get dry; therefore, it is important to fertigate at least once per day. In horticultural science, high frequency fertigation is recognized as offering the best possible growth. Get a second tent for veg only and it becomes a non-issue. 5 Gallon. I wanted to document my first outdoor grow in coco coir /perlite mix in a 5 gallon cloth container. My cannabis seedling leaves are stuck together, what do I do? There are different ways to handle removing the run-off. Coco coir is a highly productive growing medium for cannabis that gives the experience of growing in soil, but many of the benefits of growing weed in hydro, including fewer bugs and faster growth. This tutorial will show you how to re-hydrate coco coir bricks and mix with perlite to create a rich, cannabis-friendly potting mix. Growers are often confused how their plants can suffer from nute burn if the nutrient solution that they add (inflow) is not too strong. However, we learn the most by paying attention to difference between the inflow and runoff EC. Either way, your job is the same. Here is the nutrient schedule Imusing right now(pdf). First outdoor COCO/PERLITE grow in cloth containers. 6.) I use 2g and flood 3X a day. Spaced every 5-8 inches Dimensions are: 5 Gallon : 10"h x 12"dia I thought they dried out a little faster than I liked. 1 is almost 6'. Coco gives you a great base of knowledge for growing cannabis that will serve you well even if you branch out to other grow mediums. I have two seeds sprouted in coco in small solo cup size pots. Flushing Cannabis Before Harvest (for Smoother Buds), 5 Best LED Grow Lights 2023 (Cannabis Yields, Speed, & Bud Quality). Any 8-quart bag of perlite will work. Coco seems almost tailor-made for growing cannabis as long as you follow basic instructions. Step-by-Step Grow Cannabis Coco Coir Tutorial, 1.) they are the perfect size to fit Cannatie tie downs. As long as you remember to water your plants with nutrients as directed, coco plants tend to be hardier than plants in other grow mediums. In many ways growing in coco is like growing in soil. Each Root Kandy bag comes with drainage holes in place and a special compressed coco coir block weve buffered with Calcium Nitrate, for an exceptionally low EC. Transplanted into 5 gal buckets. Product Details Gardening in a small space is less challenging when you use the Grow Tub. Where is it legal to grow weed in the USA? Mix Coir, Vermiculite, Gypsum (CVG) in 5 Gallon Bucket Pour 4 liters of non chlorinated water into the pressure cooker pot and bring it to a roaring boil. Is my plant a hermie? If you stick your hand in and theres no more hard parts left, then youve waited long enough. My bestest plant, the ultimate was covered also. Takes 4.5cc into 1 gal RO water with 1cc ph up to put it @ 5.8 consistently. Maintain vegetative plants until they are half the final desired size. I switched it up a bit. 20 gal is for outdoor 15+ ft plants. Learn about different cannabis nutrients:https://www.growweedeasy.com/nutrients. You are responsible for knowing and following the local laws that pertain to cannabis cultivation, possession, and use. It allows growers to supply plants with the exact nutrients that they require in forms that are easily accessible. Coco coir drains well so plants are less likely to get overwatered, but it also holds onto nutrients so you use less fertilizer. Moving the plants around is not a great for the plants and using a shop vac to suck out the water is too much work for the grower under high frequency fertigation. Why do some buds turn purple? I do like soil because of nutrients it provides. If you think the most you can do is once daily fertigation, then use 7-gallon final containers. Dig a small hole in your coco coir containers so theres room for the new seedlings. I use botanicare's organic line and also areate worm castings along with most of the soil amendments I used before. Note: After adding nutrients (or even if youre giving just plain water), always pH your waterto 5.5-6.5 before giving it to your plants. If you are growing on your balcony or anywhere weight is an issue or will need to move the containers during the growing season, fabric pots weigh practically nothing. The inside of the bucket should be lined all the way to the top, and you need to have enough extra to be able to easily grab the top so you can lift it up later. One being MH. When you add nutrient solution, you are adding both salts and water. You are responsible for knowing and following the local laws that pertain to cannabis cultivation, possession, and use. How to Grow Different Cannabis Strains Together. Our New Year's Grow Challenge (NYGC) begins on January 1st. Your garden will thank you for it! Check out our Table of Contents for a complete list of articles and tutorials for all of your cannabis cultivation needs! Get Volume Pricing. 11 lb. (5KG) Coconut Coir Block of Soilless Media Your Guide to Growing With Coco Coir The fact that coco retains enough oxygen when it is saturated largely eliminates the risk of over-watering. Trichomes in the Vegetative Stage: What Does It Mean? 10-gallonfabric container & 5-gallon bucket. Mixture of coco pith and coco chips. 3 gals should be good for 3 weeks veg time only. Coco coir is an excellent growing medium as long as you maintain the pH between 5.5 6.5 and make sure the plants have enough calcium and magnesium. Youll learn how to grow with a coco/perlite mix and provide nutrients in the water. Cannabis growers can modify many variables to increase the health and productivity of their plants. No, definitely not. Step-by-Step Grow Cannabis Coco Coir Tutorial. 5 kg Bale: when hydrated makes 2.2-2.5 cubic feet or 65-70 liters of medium or 16 gallons. oh and I agree. $18.99 . Please see our Product and Equipment Guide. Way more techy and better than my last grow. Cover Crops & Companion Plants for Growing Weed: Good or Bad Idea? Once your seedling has grown 3 sets of leaves, its time to transplant to a bigger container! Grow room Indoor, growing in . You can also place the Rapid Rooters in a tray, making sure theres a very shallow pool of water at the bottom to keep them moist. When the water is salty, the plant must produce more sugars in its roots in order to draw the water in. This is important! Regular plastic just doesn't compare though..not even closeif you're looking for rootspace and not just compacted root hydro-type. with all the tangled roots and shit. I mean..I guess I could wash them, but that's a serious involved issue when you're talking dozens of them lol. Amount of coco coir needed - Soil - I Love Growing Marijuana Forum Perfect for Veg and Transplanting into a larger size open top. Remember, coco is not soil. This can be used to fill 2 x 5 gallon pots, 3 x 3 gallon pots, or 5 x 2-gallon containers. A cage all the way around it would work too! 5' use 5 gallon. Note: Coir is officially pronounced coy-er but Ive noticed most cannabis growers say kwar (rhymes with car). Although you can re-hydrate coco bricks at home, a pre-made mix takes out all the work! Philodendron Smithii - Full plant growing up coco coir pole Gardens Alive! 20 Gal. Capacity Expandable Patio Grow Tub 1813 - The 3 Gallon. Blue Planet Nutrients Farmer's Pride Organic Blend Grow Gallon (128 oz) | Grow Flowers, Herbs,. I lay out the key principles of high frequency fertigation in coco and explain how to feed and water cannabis plants to maximize growth and yield. Grow room Indoor, growing in . Availability:In stock Lead time:This product ships in 1-2 Business Days Qty: Add to Cart Save for Later Email to a Friend Share Facebook Share on Twitter Overview Tech Specs If youre willing to rehydrate your coco at home, you can skip paying a premium for water. $700 HID Coco Grow with Auto-Flowers (Get 7+ oz!). The coco coir should feel soft all the way through the bucket. Root Wizard . When does it start to smell when growing weed? Our growbags: are 100% organic have low sodium and chloride levels thanks to our innovative production process We do this by measuring the EC. This can help make sure your coco coir has extra Calcium and also help it get into the right pH range right from the beginning. I personally like theGeneral Hydroponics Flora trioplusCalimagic(a Cal-Mag supplement) for growing in coco coir. We have a complete Guide to Automatic Watering for Indoor Cannabis, which explains everything you need to know to set up and run your system. Nice plants nugs! Apply $1 coupon Terms. Cocogro Brick: when hydrated makes 0.32 cubic feet, 9 liters or 2.38 gallons. ). Ingredients Coconut Coir Available Sizes 1.75 cu. Glass Of Water. We also have a Live Chat Room, which is a great place to ask questions, get quick answers, and chat with fellow growers. the 2gallons gave me really good results and so far the 3gal has a 5 day old NY Diesel auto. Unlike soil, coco maintains sufficient oxygen in the root zone even when it is at field capacity (completely saturated with water). All of this makes coco a comfortable and familiar media to work with. Watering coco | 420 Magazine - 420 Magazine - Cannabis Culture News All you need to do is water frequently to maintain the perfect ratio of air to water all the time. All rights reserved. Learn more about cannabis life stages and switching the flowering stage. Been this way since 12/12 3 weeks ago. How many girls you growing? Nice Coco coir texture, high porosity, high air holding capacity, good water & nutrient retention, and desirable aeration to develop good roots. The air and water retention properties of coco enable us to practice high frequency fertigation. Coco Coir Pith 1 Gallon Open Top Easy Grow Bag Soilless growing - eBay Care is basically the same as before, except during the flowering stageit becomes moreimportant to control temperature and humiditythan ever. Root Kandy buffered coir in a three gallon grow bag. If you are hand-watering, you should think carefully about your ability to commit to once or twice daily fertigations. This article is part one of Dr Cocos Guide to Feeding and Watering Cannabis in Coco. Cons of Growing Pot in a 5 Gallon Bucket Moisture can easily be a big problem when using a 5-gallon bucket. Pot Size for Coco Coir | Dude Grows Show Whats the pot diameter? No matter what kind of pot plant you end up growing, you should get a very good yield with this size of bucket. What Causes Cannabis Leaves to Get Dry or Crispy? lol, "Please don't throw your shit at me unless that shit resembles a bag of marijuana", Hey wildfan, the bigger the pot the bigger the roots the bigger the plant and yield. The only drawback to these meters is that they do not calibrate for temperature. You're currently browsing the forum as a guest. Help us spread the grower love for your chance to win a great new grow light in our Grower Love Giveaway! I would add 25% perlite. I think they can harbor gnats too. Coco works very well in grow bags. Once you see those leaves, its time to water your seedling with nutrients. Delivering fertilizers through the irrigation water is the most efficient form of fertilization. It is the way that we feed and water plants in coco. Feed with your favorite hydroponic grow ferts and switch to bloom when your plants have grown to about 6 inches tall. You support our work by following our links and using our discount codes when you make a purchase. Fertigation is adding fertilizers to the irrigation water. How To Prepare Bulk Mushroom Substrate - Fungi.org GroEzy 5 Gallon Pots Expanded size: 8.5" x 8.5" x 12" Packing: 20 units per case Pallet: 36 cases per pallet Description: Botanicare Cocogro Coir Fiber Bale Grow Media for Hydroponic Gardening or Seed Starter in Indoor or Outdoor Gardens, 11 lb,Brown Patio, Lawn & Garden Gardening & Lawn Care Soils, Mulches & Planting Media Garden Soil One-time purchase: $19.27 Get Fast, Free Shipping with Amazon Prime FREE Returns Dutch Plantin Open Top 5 Gallon Dutch Plantin Open Top 7 Gallon Dutch Plantin Coco Slab Dutch Plantin Open Top 0.3 Gallon Item Code- DP03 Dutch Plantin 0.3 Gallon Open Top expands to 4x4x4. The key to unlocking the magic of growing cannabis in coco is practicing high frequency fertigation. ft 2 cu. However, manycoco mixes work great for growing marijuana, includingFoxFarm Coco Loco and Roots Organics Coco Soilless Mix. Now that youve got your mix ready (or purchased a pre-made coco coir mix), its time to start growing!