7 Common New Grower Mistakes and How to Avoid Them, How to Grow Small Cannabis Plants in Tiny Spaces, LEC vs LED Grow Lights: Side-by-Side Cannabis Grow Journal. As an example, in 5 gallons of media, it should take about 1 quart of water to achieve adequate run-off. May 17, 2011 #4 dmarcus Active Member. Here are some quick guidelines to help you know how to water your plants perfectly every time. You can order as many coir bricks as you need, from 1 to 1000. When exactly do you water plants in coco? If you do not already have one, get a simple water quality tester. There’s never a good reason to throw coco coir in the bin. Fertigation at this early stage is difficult because the plant cannot tolerate high EC/PPM water, but the coco requires a large dose of CalMag. Decisions to grow cannabis should be made in consultation with a lawyer or qualified legal advisor. Happily, coco is not soil and it is a lot easier to know how and when to water in coco than in other media. Plants in coco with lots of water will feel heavy, but plants in dry coco are much easier to pick up. Coconut coir or coco coir is nowadays a popular choice for growing plants. Learning how to grow Cannabis plants in coco coir can be challenging for a lot of growers who are used to soil or soilless mediums like peat. 100% Upvoted. To be safe, flush the coco three times with fresh water (to rinse out any residual salt etc). Coir is the ideal medium for hydroponics. If the napkin comes back mostly dry, plants need to be watered. The rehydrated coir should be light and fluffy. Easy to follow instructions to produce great weed plants for novice growers and experts alike. If you’d prefer fresh coco coir for each cannabis grow, mix the old coco into your outdoor garden to improve the quality of the soil. However, for beginners I recommend waiting until the top dries out at least a bit! Oven tek is putting the coir and verm (already at field capacity) into a container (either a tray sealed with foil, or a jar) and baking it for a few hours at 200-220 F. I think oven tek is best to use if you have that loose coir that comes in bags, but if you have that brick coir, then bucket tek is the way to go. What’s the highest-yielding autoflowering strain? Where in the USA is Cannabis Legal to Grow? Pat down the soil gently around the plant and give it a good watering! How To Water Coco Coir. This is coco mixed 50/50 with perlite. When adding coco coir to soil, growers typically use 10-20% coco and 30% perlite blended into the mix. A great potting mix using coco coir, perlite or vermiculite and compost. You also need to use a pot that provides good drainage, as your coco coir requires … All of this makes it a fantastic medium for indoor or outdoor potted plants. Coco without perlite does not drain as well. How to Create a Bonsai Mother for Unlimited Clones, Stealth Growing: How to NOT get Caught Growing Weed. To know how to respond to run-off EC numbers, be sure to read our tutorial, “How to Manage Cannabis Fertigation by Measuring Run-off EC/PPM”. You just need to balance proportions properly: somewhat 40% of coir vs. 60% of soil. Principle 2: Always Add Fertilizers to the Water: To maintain the balance between NER and EC, nutrients must be added to all irrigation water at the correct ratios and doses. If you want to mix it up and try something more coco coir specific, there are two options for you to try. The best remedy is to water more frequently. The first sign of overwatering was all the green algae growing on the top layer of coco. Easy Cannabis Training: How to “Scrog” without a Net, Watch 3 cannabis plants get defoliated – Before & After, Coco Coir: The Most Flexible Cannabis Grow Medium, Don’t Make These (Advanced) Plant Training Mistakes. This coco watering guide explains in detail how to put the principles of high frequency fertigation into action. No matter how much water you add, bunk bricks won't crumble easily. This article discusses just how frequently it should be. 12/12: Lights are on 12 hours and off 12 hours. Soak the coir peat in water. How to Grow With Coco Coir. Mix 50:50 by volume with perlite. We welcome all growers who want to learn, share and grow together! Growing cannabis in coco coir is similar to growing in soil, but also a little different. After each event there should be an interval to air-out. While many people say you need coco coir-specific nutrients, this isn’t absolutely necessary. To be safe, flush the coco three times with fresh water (to rinse out any residual salt etc). Things you will need. How often should you be giving water to your plants for the best results? If you have a brick of dry coco coir, then: Put the brick in water for at least 15 minutes. My EC at the moment sits at 1.2. Because of this it is important to remove the run-off water quickly. Heya folks, From what I've read, those cheapo coco coir bricks that you can get at almost any nursery (about $2-3 for a brick that expands to make about 9L of potting mix) are quite high in salt content, which poses many a problem for cactus cultivation. One of the drawbacks with using coir is it has a tendency to retain more soluble salts than peat potting mixes. I know you mix the coco coir with water so i wasn't sure how much of both I needed to get 5 pounds of mix after preparation. save. Run-off water plays an important role in maintaining healthy conditions in the root zone. When added to soil, coco coir helps loosen soil up and reduces compaction, ultimately offering better soil structure for roots to flourish. Better too much water than not enough, but try not to go overboard! Once your coir is rehydrated, it is ready to mix in with traditional soil. Principle 4: Run-off is Critical: Run-off carries away the excess salts and allows you to maintain a consistent root zone EC. Since water is about half the total volume of saturated coco, the amount of water required should be about 5% of the container volume. It holds water and nutrients well, plus provides air pockets in the soil for plant roots. You should only water seedlings that are in larger containers or plastic seedling pots once daily until the plant grows larger. hide. To use coconut coir as a growing medium, mix with topsoil and add compost to provide organic nutrients. Press it gently but firmly on top of the coco. I think of it as hand watered organic hydro. The package will tell you how much water to add. Be sure to read our tutorial “Transplanting Cannabis Plants: Why, When & How”. hide. Coco peat is highly absorbent. Question. If the media is not saturated, then there is no water moving through it and salts accumulate. I include a coco coir watering schedule to help you set the timing of multiple daily fertigation events. after pasteurization and settling it's just under the leaking point. Boil the kettle and mix into hot water. Ideally, you should plan to water your cannabis plants in coco 3-5 times per day during the flowering period. Therefore, you need to always get run-off no matter how much water you must add in order to accomplish that. Soil,IMO, is not needed. The plants respond better if you provide a constant level of moisture. The technology involved in measuring EC is rather simple which means that you do not need to invest in an expensive meter. If you have 10 quarts of substrate total that was made using 220.g vermiculite and 600.g coir that should mean that 60.g of dry coir and 22g dry vermiculite was used for each of those 10 quarts. Coco peat gardening is also used as a soil amendment, potting mix, and in hydroponic production. 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