not much to report today although last night the pH dropped again from 5.5 to 5.3. I thought It would level out around 5.5 but it continued to drop so I added some pH up to bring it back up to 5.9. Rez change tommorow......switching to 12/12. I think I will use a slightly weaker nute nute mix to see what the pH does. Target TDS with supplements....1500
Passage to Indica Reviewed by Passage to Indica on . Drop in pH..but good growth...???? Hi all. I'm about 3 weeks into vegging and my girls look great. Lush and healthy. I've been experiencing slight drops in pH like from 6.0 to 5.7 or 5.7 to 5.5 during the light cycle. I'm not sure what it means or if it's fine or what. TDS at the last rez change (5 days ago) was about 1700 with all nutes and supplements combined. The plants took very well to it. TDS today is 1370 so the plants are using up the nutes. Usually when plants use nutes the pH tends to increase a bit, not Rating: 5