Soil should dry out slightly between feedings—just the top layer. We argue that high-frequency fertigation is the best way to water coco. If using water of 0.3 ec (150ppm) for example you would add that value to the value of feed i suggest. Decisions to use cannabis should be made in consultation with your doctor or medical professional. 1. We may receive a referral when you purchase products through our links. Be sure to read the complete series! How much should you water seedlings? If you are looking for advice and support throughout your grow, we encourage you to start a Grow Journal in our Grower's Forum. This is one of the most frequent questions that we get. If you have bought good coco, you can go ahead and put it straight into your pots. The products that we recommend are the actual products that we chose to purchase and use ourselves. On the flip side, don’t water plants so often that the top of the coco is always completely dark and wet. Principle 5: Manage Electrical Conductivity (EC): You need to monitor the EC of the nutrient solution you are adding (inflow) and the EC of the water that drains through and ends up in the saucer of each plant (run-off). A good rule of thumb would be to water every four or five days. Smooth Leaves?! Ideally, you should plan to water your cannabis plants in coco 3-5 times per day during the flowering period. Today is midday Friday and the last time I watered was midday Wednesday. For some growers in some setups, this works well, especially in a controlled environment with perfectly sized containers and relatively low humidity in the air. You can also water from the bottom, letting your seedlings draw water up through the drainage holes of the container. Happily, coco is not soil and it is a lot easier to know how and when to water in coco than in other media. Pretty much exactly what I do including the distilled water for first few weeks. If the leaves start drooping, use less water. 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. The top of your coco should never appear dusty and dry. How To Make Your Own Homemade Rosin (dabs), Review of Nature's Living Soil for Growing Organic Cannabis. As run-off emerges from the bottom of the pots, you should remove it as quickly as possible. You should measure the water when it is at about the same temperature that it will be when applied to the plants (about 68f/20c). If the media is not saturated, then there is no water moving through it and salts accumulate. Watering frequency will depend on plant size, container size, climate, lights, and relative humidity. Start growing today and harvest before 4/20! You should water cannabis in coco at least once per day. The color of the coco has begun to lighten from dark brown to medium brown, If you touch the coco, it feels cool instead of moist (if the top of the coco actually feels dry, you should definitely give water). I'm new at this but I'm running damn close to 100% coco. transplanting your plants to a bigger pot. The feed chart determines the ratio, and EC determines the dose. The number one rule for watering coco is that you should always provide enough nutrient solution to each plant to produce 10-20% run-off. Here are some quick guidelines to help you know how to water your plants perfectly every time. Saturation is important to prevent salt build-up in the media which can burn your plant. Give enough water to always get at least 10-20% runoff water out the bottom. It’s time to give water to your plant in coco when…. Be sure to read our tutorial “Transplanting Cannabis Plants: Why, When & How”. Plants in coco with lots of water will feel heavy, but plants in dry coco are much easier to pick up. It is only possible to water 3-5 times per day if you have an automatic watering system. This amount of water will provide the root system with all it needs, without causing pooling and potential fungal issues. However, it is possible to unlock the benefits of high frequency fertigation with only watering once or twice per day. Until plants get bigger and start drinking more, you may want to give just a small amount of water at a time in a circle around the plant. Copyright © 2020 Coco For Cannabis Inc All Rights Reserved, How to Water Cannabis Plants in Coco Coir, Growing Cannabis in Coco Coir with High Frequency Fertigation, Understanding EC, PPM & TDS for Growing Cannabis, How to Manage Cannabis Fertigation by Measuring Run-off EC/PPM, Growing Cannabis in Coco with High Frequency Fertigation, How to Manage Cannabis Fertigation by Measuring Run-off EC, Guide to Automatic Watering for Indoor Cannabis, DIY Automatic Watering System for Indoor Cannabis, Transplanting Cannabis Plants: Why, When & How, How to Grow Cannabis Seedlings in Coco Coir. This coco watering guide answers all your questions about high frequency fertigation and how to water cannabis in coco. As explained below, fertigation frequency is one of the main ways that you maintain that difference in the acceptable range. This coco watering tutorial for marijuana aims to take the confusion out of all that! When using soil, water the seedlings once a day minimum. I have a 15 day old seedling that seems to have been stunted. Like said you water in coco wen the small every other day or basically once the roots soaked up the feed/water you would water again once they have established a full root system in there final pot they will want fed everyday. If you can see the napkin getting wet, give the plants a little more time to dry out. Your coco watering schedule depends on the light schedule that you are using. The technical term for this is fertigation, which simply means combining fertilizers with the irrigation water. Three to five times per day may sound like a lot of water, but with such frequent watering the amounts required at each event are very small. 12/12: Lights are on 12 hours and off 12 hours. When watering, aim for the middle of the substrate first. I am planning to have auto plants in 3 gallon fabric pots with 50% 50% soil perlite. Proper run-off practices are discussed below. Mix up some water (3x times your pot size), and adjust the pH of it to 5.8. I have also noticed faster/healthier growth though when soaking the coco with 1/4 strength nutes before adding the seeds. When to Water Seedlings. For tall, healthy transplants, it’s best to either fertilize at this time or plant the seedlings, pellet and all, in a small pot. You should only water seedlings that are in larger containers or plastic seedling pots once daily until the plant grows larger. When we water plants in coco, the water should always include nutrients. For this reason, it is important to always keep plants in appropriately sized containers. If the napkin comes back mostly dry, plants need to be watered. HPS grow lights, LEDs finally finished the job, The Easy Way to Water Plants & Remove Runoff. Young plants don’t need a whole lot of water for the first few weeks. Bud flowering in coco coir. How often to water depends on how much the plant drinks, which larger depends on the plant size and age. This field is for validation purposes and should be left unchanged. As the root structure and the plant grows bigger, you should water your coco everyday, but for seedlings, and clones, you need to encourage the root growth. Principle 3: Keep the Coco Wet: Do not let your coco get dry! LOL.!!! For me about every 3 days. You can learn to make your own capillary mat or purchase one. If it gets dry enough on top to change color at all I get bad tunneling. What Causes It and How Do You Stop It? 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. The only drawback to these meters is that they do not calibrate for temperature. 2. just plain PH'd water for 2 weeks?. Automatic watering is less expensive and easier to set up than most growers think. Plants transpire more easily in dry atmospheres which, like dry sponges, easily soak up water vapor transpiring from the leaves. Principle 1: Fertigation is a Balance: Proper fertigation strategy balances the Nutrient Element Ratio (NER), which controls plant nutrition and the Electrical Conductivity (EC), which controls osmosis. Automatic watering systems are preferred because they make it very easy to manage your grow. Once in final containers, watering frequency should be adjusted based on the factors discussed above. Properly conditioned coco retains adequate oxygen for the roots even when it is saturated. Therefore, it is possible to get tremendous results from coco when hand-watering, but it requires a significant commitment. As an example, in 5 gallons of media, it should take about 1 quart of water to achieve adequate run-off. Day 5 and it is finally time to water our seedlings. It is important to have a strategy to remove the run-off water from the saucers. This is the main revenue stream that keeps Coco for Cannabis up and running! All rights reserved. The container feels light if you try to lift it gently. In the cannabis community, light timing is expressed as a fraction with “Lights on” time over “Lights off” time. Press it gently but firmly on top of the coco. How should you water cannabis in coco? Don’t let the coco dry out, but you do not have to water every day in the early stages. 4. Watering frequency will depend on plant size, container size, climate, lights, and relative humidity. I am used to growing in coco on there. When you add 4-5l of water and leave it to soak for about 30 minutes, a consistent 9-10l of medium will be produced from each brick. Timing for these events works best as I show in the chart below. Coco coir is actually pretty forgiving, which is why it can be a good choice for beginners. However, as the plant becomes established and is growing rapidly, you should also consider EC. For timing the duration between events, one hour of “lights on” is equivalent to two hours of “lights off”. This is the meter that I use. Try giving a little less water at a time until your plant is bigger. However, nutrients can get built up in the coco if you only give just enough water to wet the medium. You should only water seedlings that are in larger containers or plastic seedling pots once daily until the plant grows larger. That run-off water plays a critical role in preventing salt build up in the coco. The EC/PPM of the water will rise as the water sits in the pots. I designed this coco watering schedule to help you set the timing of multiple daily watering events. To remove the waste water from the saucers, I strongly recommend elevating them and installing drain lines. How Long Does It Take to Grow Weed Indoors? Plants seem to do better when you avoid letting the coco dry out all the way (as opposed to in soil where plants like to dry out a bit more between waterings). It is also important to periodically measure the EC/PPM of the run-off water. Under high-frequency fertigation, the quantity needed to produce run-off should be small. How often do i have to water?. 1 person likes this Principle 4: Run-off is Critical: Run-off carries away the excess salts and allows you to maintain a consistent root zone EC. Most people use a huge drum to let the coir dry, but make sure you keep the lid open so the water evaporates as quickly as possible. 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”. This is ideal, but the rule is that you need to always provide enough water to actually produce adequate run-off from each plant. How often should you be giving water to your plants for the best results? This is the first time we have watered our seedlings since the day we planted our seeds. Small plants in big containers can take a long time to dry out. I include a coco coir watering schedule to help you set the timing of multiple daily fertigation events. When exactly do you water plants in coco? Discussion in 'First Time Marijuana Growers' started by weedss, Nov 16, 2011. weedss smoke nd ... And the seed sprouted out. You have to flood and drain your hydroponics system more often if the atmosphere is drier. Early in the grow, you should use look and feel along with volume to determine your coco watering frequency. Therefore, when we water in coco, the coco is already 90% saturated and it cannot hold much more. When you water from above you are likely to knock over the fragile seedling even with a spray bottle. If the surface of the coco is dry, your coco watering frequency should be increased. Since water is about half the total volume of saturated coco, the amount of water required should be about 5% of the container volume. Remember that even at the seedling stage there is no real risk of over-watering. Every time you water cannabis in coco, you should saturate the entire volume of the media. If you are familiar with growing in soil, you will certainly feel like you are over-watering in coco. Note: As an Amazon Associate, GrowWeedEasy.com earns a commission from qualifying purchases. To compensate, you should use larger final containers. As I discuss in “Growing Cannabis in Coco with High Frequency Fertigation”, you should try to set up a run-off removal system that is easy on the plants and on you the grower. Once the coco is drying out more quickly, you can up the amount of water you’re giving until you’re getting 10-20% runoff each time. When growing in coco coir, as a grower you need to provide nutrients in the water. R.I.P. As I explain in “Growing Cannabis in Coco with High Frequency Fertigation”, it is ideal to keep the coco between 90 and 100% saturated all the time. A hot grow room with lots of strong lights will make you have to water the weed plants more often. After letting the roots breathe, water the edges of the container too. In our tutorial, “How to Manage Cannabis Fertigation by Measuring Run-off EC/PPM”, I explain in detail how to use EC/PPM to manage your watering or fertigation strategy. ... How often should I water my indoor weed plants? As an Amazon Associate, we earn from qualifying purchases. Coco is a very forgiving growing medium, and it has unique properties that make it really accommodating to roots. 250-300ppm will be enough. These meters make it easy to to measure the EC/PPM of the nutrient solution that you provide and the EC/PPM of the run-off water. The first sign of overwatering was all the green algae growing on the top layer of coco. Copyright © 2009 - 2021. I can't seem to figure out how to keep a good watering schedule, im used to soil and not sure how often I should be watering my Gaia greens amended coco in 3 gallon pots for a seedling. How Often to Water Cannabis in Coco Coir 1.) The water that moves through the media and ends up as run-off is the mechanism that prevents salt build up. Take a napkin and unfold it so there is only a single ply. These seedlings were being watered too often, which is why they’re a little droopy. When we add fresh water, it lowers the EC in the pot to the level of the inflow. There are a few basic rules for watering the plants and they can be mastered quickly. Considering all the opinions about watering out on the internet, it can be difficult to know how to water plants properly. Coco mixed with perlite has the ideal air to water ratio when it is 90%-100% saturated. I know coco needs to be watered often and not allowed to dry out. As discussed further below, the ideal quantity of water per event is about 5% of the volume of the growing container. The surface of the coco should never become so dry that it turns lighter brown. If you are hand-watering, you will probably be limited to twice daily watering. Pat down the soil gently around the plant and give it a good watering! Using a watering can disturbs a delicate seedling and it's easy to over-water. Growing cannabis in coco coir is similar to growing in soil, but also a little different. Watering at different stages: Seedlings frequently need small amounts of water—up to 2 times a day if the room temp is high and the humidity is low. Its easier to get good even saturation with each water if it stays good and wet. Better too much water than not enough, but try not to go overboard! Measuring Electrical Conductivity (EC) is absolutely critical to managing your fertigation strategy and nutrient solution strength. As discussed in our tutorial “How to Manage Cannabis Fertigation by Measuring Run-off EC”, The critical number is the difference between the two. If you water the plant thoroughly, it will tend to stay wet for longer. If you see green stuff growing on the top of your coco (algae) it’s often a sign that you’re watering too often.
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