As I talked about before I have been wondering about my PH. Tonight I fired up the nice PH meter, hydrated the probe, re-calibrated, and checked my RO water. Seems like the stuff that has been stored in gallon jugs is higher than the fresh stuff. Can that be? Does PH drift up in containers? One of the older jugs was at 7.5, but the new stuff is at 6.8. I also used the el-cheepo soil PH probe in all the buckets and they are all 7.0 to 7.2. A bit high.
The reason I'm concerned is the yellowing leaves at the bottom all have that P deficiency look.
So I fed full strength big bloom tonight with fresh RO water and a drop of PHup to each gallon.
Probably worried about nothing.
They sure smell good!
Thanks for reading!