Medigrow
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- 63
Hey everyone! :)
Another run, another issue with the ph dropping at the end of flowering.. Started week 8. PH was dropping down to 5.3.. I did a flush, refill using 150ppm solution and ph 5.8. I took time to look at the roots and everything is perfect, (white roots with a nice smell), no biofilm or whatsoever. I refill the topoff using the leftover, 1 day later, ppm was at 100, I added nutrients in the topoff to put it at 200, trying to raise the ppm a bit since it was getting used by the plants. Adjusted the topoff's ph at 6.8 and... System's ph is dropping again... now back to 5.3 and system is still at 100 ppm. I added only RO water to topoff, it is around 50-60ppm right now, ppm of the system isn't going up, nor the ph. Co2 is at atmosphere level. I cut it few days ago.
I had water temp set on 64 for last 2 weeks.. range from 63 to 65. I raised the temp from 1 F, just in case.
Anyone has any clue about this? I don't see any bacterial bloom, water temperature is fine, nut's strength is well, kinda low but not even getting absorbed by the plants. And yes, they are drinking.
RDWC system.
Is it time to flush? The trichomes are ~5-8% clear, 90% milky and leftover are turning amber.
Thank you!
Another run, another issue with the ph dropping at the end of flowering.. Started week 8. PH was dropping down to 5.3.. I did a flush, refill using 150ppm solution and ph 5.8. I took time to look at the roots and everything is perfect, (white roots with a nice smell), no biofilm or whatsoever. I refill the topoff using the leftover, 1 day later, ppm was at 100, I added nutrients in the topoff to put it at 200, trying to raise the ppm a bit since it was getting used by the plants. Adjusted the topoff's ph at 6.8 and... System's ph is dropping again... now back to 5.3 and system is still at 100 ppm. I added only RO water to topoff, it is around 50-60ppm right now, ppm of the system isn't going up, nor the ph. Co2 is at atmosphere level. I cut it few days ago.
I had water temp set on 64 for last 2 weeks.. range from 63 to 65. I raised the temp from 1 F, just in case.
Anyone has any clue about this? I don't see any bacterial bloom, water temperature is fine, nut's strength is well, kinda low but not even getting absorbed by the plants. And yes, they are drinking.
RDWC system.
Is it time to flush? The trichomes are ~5-8% clear, 90% milky and leftover are turning amber.
Thank you!
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