Did you pre-soak the hydroton in pH 6 water until the pH remained stable after 24 hours? It comes from the factory at a pH above the range that hydro pot likes. You need to adjust it before use. Looks like something is locking out iron.
stinkyattic Reviewed by stinkyattic on . Ebb and flow problem...why are my plants turning yellow? (merged) Can any one answer this...it seems pretty simple but cant seem to get anything in plant problems to match ...i keep having a problem when i switch from one growth stage to the next ...i had ak47 and burmese kush plants in 4x4x4 rock wool cubes which i watered daily by hand with a basic flora nova grow and hygrozyme nutriernt mix the plants flourished ..i did this for almost 7 weeks and was able to sex out the true males...i then took my remaining females and put those into a 4'x4' ebb and flow Rating: 5