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How to use blumats in coco coir

Wings
Wingsstarted grow question 4 years ago
I would love some help if anyone has used blumats in coco. I feel like I am doing it wrong and am screwing up my plants but can't find a good guide for on coco instead of soil. Do I need to flush with nute solution when I use blumats? They seem like a recipe for salt buildup
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Feeding. Automatic systems
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Ga4rd2en0er
Ga4rd2en0eranswered grow question 4 years ago
Ah yes blumats. I have used them in coco coir for 4 runs. My most recent was my moby dick from last year. After using the blumats and pulling my hair out each and every run, I put them in the shelf and went with timed drip feeds and/or flood table. I kept my blumats on a constant slow drip the best I could. Somedays for no reason they stopped dripping and other days I came home to my catch tray flooded full of what was I my reservoir because a blumat stuck open and "ran away". My advice is make sure you use some sort of clearing agent like florakleen at least once every few weeks to a month to keep the small flimsy drip lines from getting blocked by salt build up. I still flushed her at least once a week with low level nutrient solution to keep salts from building in the coco. I have since put the blumats on the shelf as I was tired of feeling like I was on "lets make a deal" and what's behind door #1 every time I opened up my tent. With a good programmable timer, a medium to large storage tote, and a small pump you can easily put together an automated feed system. What ever you do, if you wish to continue using the blumats, make sure you have something under your plants that can catch the contents of your reservoir in the event of a run away. If you have a more specific question, let me know. Not many people in here use or used blumats.
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Cheeba_Inu
Cheeba_Inuanswered grow question 4 years ago
Although I haven't personally used blumats, I can make some general recommendations for drip fees coco systems. You always want some runoff, and generally don't want to flush coco without your nutrient solution in the water. Stability and oxygenation is key. I would see if the blumats can give you 10-20 percent runoff per fertigation, 2-3 times per day, but I don't think that's the case so you may run into issues with salt build up. In any drip feed system it's good to hand water a few times a week to make sure complete saturation and proper runoff is occuring as well. If the blumats can't allow for this with their gravity feeding system, I would try a pump and timer system to allow for proper runoff of fertigation and distribution in throughout the coco. Or hand water 1-2 times a day. You could also run the EC a little lower, I find 1.2 works very well at your growth stage, but you may still get salt build up at the lower EC without the fertigations evenly flushing through the medium. Other than that you're doing great, and good luck with the grow! 👍
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