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11/30 - placed viparspectra light at 27" above plants (noticed some tip yellowing on the top leaves and think it might be light burn.) 100% veg, 60% bloom. 6.01 pH, 818 tds. Topped both plants above 4th node.
12/01 - Lights are now at 25", but had to lower intensity since top leaves started curling from too much light (70 Veg, 42 Bloom). 5.9 pH, 795 tds. Flushed tank and replenished with 850 tds, 5.9 pH water.
12/02 - Lights are 24" above (plant grew nearly an inch yesterday). Increased bloom to 80%. Actual values are 70% Veg 56% bloom. 6.1 pH, 835 tds.
12/03 - Took two of the bottom leaves off each plant due to damage.
12/04 - 5.9 pH, 756 tds. Performed lst on top two nodes of #1 and #2. Rasied lights to 27" above canopy. Still at 70 % veg, 56% bloom
12/05 - 6.1 pH, 759 tds
Plants came alive this week. Lots of defoliation and LST.
When feeding plants, the pH will increase after feeding (e.g. go from 5.8 to 6.5 overnight), but start to dive after about 4 days (go from 6.2 to 5). Should I be feeding the plants around the time the pH takes a dive or just maintain pH until next weekly feeding?
You need to find out why you have such wild fluctuations. This starts with a full on res change. You also need to measure EC regularly. Google "EC pH hydro chart" and it should give you a good idea of what your issue is based on these two reading. Organic nutes tend to be less stable as far as pH goes, so that could be your problem.
Good luck either way, message me if you hit a dead end.
+3 strains
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Apples and Bananas
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