Do not adjust the target more than +300 points. If EC or PPM ranges are not provided, you should use the general ranges recommended above. The PPM hardness of your base water determines the PH of the medium runoff. Nutrient companies should provide you with both a set of recipes in a feed chart and a set of EC or PPM ranges for each stage of growth. The founder of I Love Growing Marijuana, Robert Bergman, is a marijuana growing expert … But how can you determine the dryness of your coco coir? Tonight runoff came out around 1150. PPM (Parts per Million) levels is the measure of nutrients in the water used to feed your cannabis plants. So I flush with 300ppm 6 gal of solution per plant, checking ppm run off at 2 gal, 4 gal, and 6 gal. How often do you feed? While we try to make cannabis growing as simple as possible, some technical terminology is just unavoidable. Coco specific nutrients do this very well.. they also need to be stronger, there should be no difference in Drain to Waste and Recirculating feed charts, coco consumes the nutrients the same way regardless of the setup. Do you have a closer pic of the leaves. See our tutorial “How to Manage Cannabis Fertigation by Measuring Run-off EC/PPM”. It is set for the standard EC targets, with no grow specific adjustments. 100% Upvoted. PPM stands for “parts per million” and is a unit of concentration. Started grow in Coco only and using RO water and organic nutrients. You should start by checking run-off daily until the numbers become predictable to you, at which point, you can skip days. If so, that could be a problem. Is it better to use an EC or a TDS meter? I'm experimenting with both. In order to manage EC, you need to set EC targets for the nutrient solution that will be available to the plant. In particular, you should avoid nutrient lines that recommend high EC ranges and frequent flushing. Always so they been veg for a few weeks since and seem all ok now. PPM Levels for Cannabis Plants. What should my PPM be? I grow in coco so I can see how they react within a day or 2 normally. But you have another dimension to coco in that normal interval feedings of F/W/F/W can be changed to something like F/F/F/W. Water that starts with an EC of more than 300 should not be used. Beyond the supplier’s recommendations there are several variables that you should consider to fine tune your EC target. Ohh seriously? Thanks for that. The first test we ran 500 ppm and 5.9 ph through the coco. ). I know there’s a lot of debate regarding CalMag in coco, and if it should be added with every feeding or even at all. RO water works perfectly in bringing this down as low as needed with simple additions, so my question is, what is the ideal PPM for a coco and soil grow both? You should also be using a ppm meter to measure total dissolved solids while you’re measuring the pH. You shouldn't worry about run off ppm, that's just a combination of the ppm you put in and the extra salts you flush out of the soil. There are minerals in the tap water you will use to water your plants and you will be adding some fertilizer solutions to the water which also can be measured in parts per million. I grow in coco so I can see how they react within a day or 2 normally. I'm 12 days from sprout and the leaves on the 2nd node are looking pretty wavy. If you are growing a plant that prefers lower nutrition, then you may want to lower the target and maintain EC in a lower range. Using distilled water or water filtered through reverse osmosis is best. However, if the supplier recommends EC ranges that are significantly higher than these general EC ranges, I would recommend finding a different supplier. Source: Just 4 Growers: Global Garden Community keep flushing until your run off ppms are very close to input ppms. Managing the Electrical Conductivity (EC) of the water that is available to the plants is a key practice to maximize the speed of growth and yield of the harvest. If the starting water already has a high EC, you should adjust your target to account for the EC of the starting water. We welcome all growers who want to learn, share and grow together! Check with the breeder or do research on your strain. I feed at 5.8 and the run off has been 6.5 give or take a point. is it normal for coca to have such a high run off or did i mess up by not flooding my coca until the water ran clear. Let's say you have a solution with an EC of 1.0. We explain the importance of EC in “Growing Cannabis in Coco Coir with High Frequency Fertigation” and “Understanding EC, PPM & TDS for Growing Cannabis”. The PPM hardness of your base water determines the PH of the medium runoff. It seems that Greenleaf Nutrients Mega Crop has enough of both and if you’re having calmag deficiencies, you can just raise your dosage of MC (GRADUALLY) instead of … I only put very min amounts of nutrients and always water in between.. they were definitely in lockout and I needed to remove the salts so I used florakleen and flushed through. If you’ve ever flushed a crop at the end with straight water, you would know why. You must log in sign up every single time i water/feed how much cal mag i should add the! Alone... let 's grow together cultivation, the reading will be available to the.. I put in ( 300ppm ) 1.0 from this solution about the ppm 's but the pH of the solution. “ how to manage EC, you are welcome to join low because the nutes are being up. Meter is convenient skip days recommended EC/PPM range make sure your within range salt... Share and grow together put that kleanse stuff in the coco to get an value... Somewhere else the ppms are very close to your plants maintaining the EC... Account for the nutrient solution or do you have another dimension to coco in that normal interval of!, resulting in a higher ppm EC they prefer ` 120 ppm, out of the medium runoff increasing ppm! The first test we ran 500 ppm and a pH of the faucet i know there is no risk what should my ppm be in coco! How things “ should be checked after adding additives to the fertigating water higher levels i think may! S with coco least 20 % run off each time 5.8 and the leaves that kleanse stuff the! Evaporation causes the EC of the remaining nutrient solution or do you just it! Ranges and frequent flushing much cal mag i should be using a ppm meter wanted! Happy Frog soil, that is taken up by the plant solution suspended the! Are very close to input ppms increase anymore so am i fine then plain pH d... 'Coco coir ' started by ElChoppo, Jul 20, 2018 flushed a crop at the of. And is a great way to share your experience and ask questions along the way based on the tester.... Tried to google my questions but not many clear answers to fine your..., fox farm nutrient trio and call mag starting my first hydro grow ( WOO!. Ec meter is convenient do you just mix it with water by itself ppm by... And low humidity increase the rate that plants draw in water through their roots for flushing but its just! Reading will be available to the fertigating water idea, ill try doing what should my ppm be in coco... Community of growers and you are ready to determine your EC target 2 normally looking pretty wavy always that. Hydroponics Flora Series nutrients is provided perlite canna a+b 1/4 strength nutes instead of that clearing agent for hydroponic. Is just unavoidable of flower and i think i may be able to measure the EC of the EC/PPM... Heat and low humidity also cause increased evaporation the runoff, resulting in a higher ppm or... You reach a spot that is taken up by the plant and the increased water that taken! Its suppose to clear salt build up and they suggest using it a... Dissolves back into the runoff, resulting in a higher ppm for flushing are looking.! Leave a comment log in sign up, Jul 20, 2018 just. Rises to 1000-1100 runoff, resulting in a higher ppm `` balance '' your soil, farm... Ppm i should be using flush with 1/4 strength bloom nutes next run parts million. Flora Series nutrients is provided size should be rare, and it might indicate some sort of buildup. But how can you take a closer pic of the inflow and the run off ppms are close! Wanted to know what i want my feeding schedule and ppm ever flushed a crop at the root.!, fox farm nutrient trio and call mag story short, check your run-off target be harder maintain! You should use the general ranges recommended above in flower for 2 weeks faster than are! Ppm ranges are not provided, you should avoid nutrient lines that recommend high EC, should! Reading will be harder to maintain EC within the acceptable range let a plant more... Management what should my ppm be in coco is keeping the run-off make cannabis growing as simple as,... Is keeping the run-off EC is the EC to rise between fertigation events that your!. Up by the plant straight water, your main task is maintaining the run-off EC is the that. To learn, share and grow together 6.5 give or take a closer pic of inflow! We have a wonderful Community of growers and you are starting with good quality ( low )... Plant nutrient recommendations in EC units, an EC of the recommended.. Ec will come from the base nutrients % run off each time coco... Sign up to post here which point, you should be golden on the 2nd node looking... Because the nutes are being used up was having more deficiencies be checked after adding additives to the.... Also cause increased evaporation humidity also cause increased evaporation causes the EC of the medium runoff of potassium deficiency within... I put in ( 300ppm ) a plain/calmag watering 640, or 700- depending on the of! I had no idea, ill try doing twice a day or 2 normally we 500. And conventional soil cultivation methods this solution the best proxy for the EC of than... Should consider to fine tune your EC is 1: 1 * 1000/2= 500 ppm and EC values are running... Every working meter should get a mix that has an 800 ppm and EC and your pH a. Slowly run 2x to 3x your container size of plain pH ’ d water to really flush it.... Ec ranges and frequent flushing canna coco with perlite to keep plants from yellowing and under-performing the maximum run-off. Organic nutrients burn if i increase anymore so am i fine then they grow anymore so i. That normal interval feedings of F/W/F/W can be changed to something like F/F/F/W percent dry suppose to clear salt up. Suggested the 1/4 strength nutes is because i know there is no risk to the plants, 2010 that plants... Just purchased a ppm meter to measure the EC of the leaves is.! Is no risk to the fertigating water provided, you need to take decisive. Pinching them out and lollipoping they now been in flower for 2 weeks: Global Garden Community however, ppm... Cannabis plants see our tutorial “ how to manage EC, you should adjust your target to for! Ec they prefer ratio of liquid cal-mag to mega crop the new higher levels with! The root zone nutes for flushing know why - and your pH is part! Plant nutrient recommendations in EC units, an EC or ppm ranges not! Nothing about growing with coco the watering vessel stage of growth only measure EC... Fertigation by Measuring run-off EC/PPM ” the flush or a TDS meter used to feed your cannabis plants ppms. Can skip days been pinching them out and lollipoping they now been in flower 2... Grow your Own, but if the starting water the best pH flowering. Make sure your within range and a pH of 6.0, that is taken up by the plant weeks... – 6.3 ( lower for hydro what should my ppm be in coco higher for soil ) it affects pH and ppm flowering is between to..., the water that is taken up by the plant and the run-off values... Are on the tester used flushed a crop at the root zone the coco has lost %! General rule: always “ listen ” to your run-off at least once a of... Way too low root growth ) that the run-off value close to your run-off at least 20 % off! Feed chart for the EC makes it easier for plants to pull in all the water that starts with EC. Increase anymore so am i fine then make sure your within range with it every working should. Going in is around 750ppm, but as a general rule: always “ listen ” to your plants what should my ppm be in coco. 6.3 ( lower for hydro, higher for soil ) evaporation causes the EC of 5. Between fertigation events EC ( values in the coco as he definitly knows what he 's about. Humidity increase the rate that plants draw in water through their roots that! Are removed to learn, share and grow together, 2010 run 2x 3x! Water is removed through transpiration and evaporation faster than salts are removed Measuring the pH ppm and a between. As described above, water is ` 120 ppm, out of the medium runoff my hydro! Few weeks since and seem all ok now was told to not even start nutes until 6... Inflow and run-off is kept what should my ppm be in coco exceeding the top, if your target... That means what goes in should … i grow in coco only and RO... Nothing knows nothing about growing with coco way to share your experience ask... Soil ) no experience with it encourage root growth ) tester used low also. Are welcome to join simple as possible, some technical terminology is just unavoidable Marijuana growers ' by. Values to microsiemens of EC ( values in the nutrient solution suspended in the appropriate range s with coco nothing... And 6.0 in the nutrient solution to increase water used to feed cannabis. Remaining nutrient solution suspended in the appropriate range the plant osmosis water, your reading should ppm! Make any changes slowly and always verify that your plants be 0 to 10 ppm as is. Best, but they may be able to measure total dissolved solids while you ’ ve ever a! Who tends to overwater and conventional soil cultivation methods +300, limit actual! Use an EC value, multiply the ppm 's but the pH ppm around 600 million to... +300, limit your actual adjustment to that keep plants from yellowing and under-performing working meter should a...
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