any suggestions. will be raising rez ppm to 775 in few days
hows.your.roof Reviewed by hows.your.roof on . must have posted in wrong fourm need help with bubbler heres what im workin with : air cooled 400 hps. subjects are in second week of flower. temps are air temp75/res temp 71. 18 gal rubbermaid tote 10 in x 10 in net pot . this poses my first question. air pump is rated for 20 gal fish tank . also have 2 gang splitter with 6 in air stones. will that provide sufficent o2 at root zone???? now on to p.h. and ppm. p.h. currently at 6.1 right now i dont access to usual methods of p.h. control basically i need to know what substances (no access to Rating: 5