I was starting to notice an issue with some plants, but I couldn't quit figure it out/ figured it out too late.
2/2 - Feeding nutrients, 4 gal and in PM RO water
2/3 - RO with cal/mag
2/4 - Feeding nutrients, 5 gal , fed leftover 2 gal in PM
2/5 - Feeding nutrients, 4 gal
2/6 - Feeding RO with cal/mag
2/7 - Feeding nutrients, 4 gal
2/8 - Feeding nutrients, 5 gal