5.5-6.0 for hydro,6.0-6.5 is ideal for soil,nitric acid or a ph down solution will work,follow the instructions....bonbon
bonbon Reviewed by bonbon on . PH Just a quick one. Iv finally got a PH meter and measured all my plants which are all PH 7, is this good? Iv heard that PH 5.5 is good? if i need to lower it is there a easy way? Please enlighten me cheers TGG Rating: 5