First Grow Room Grow

Start of flower week 3 - the stretch continues! Updates to follow throughout the week Update May 30: Seeing some strange trends with my nutes. Did a 30 gallon change five days ago, and have seen an expected drop (about 1/3) in TDS, but it's also accompanied by a consitent and steady drop in pH as well. Normally, it trends upwards, but I'm seeing it trend downward here. I'm having to top off with pH Up'd RO. I'm going to try to supplement during my top-offs as well this week, and do a complete change next weekend (buys me a little more time since I'm fresh out of CaliMagic) Update Jun 2: Seeing some cool trends develop over time - around 4-5 days in to the week since last full nute change, pH stops dropping, and begins climbing again. It's purely speculation, but I suspect that it's due to the plant changing what it's absorbing at different rates. Absorption ultimately == chemistry changes, so the shoe fits, esp given how voracious flower is. I've lowered the ambient temp down to 70F from 74 as the flowers are starting to bulk a bit. We should be nearing the end of stretch soon I hope... these plants are about 4' tall already