u can always use vinegar.. not sure if sulfate has a negative affect on plants
misterniceguy2 Reviewed by misterniceguy2 on . need to lower ph of water im trying to lower my ph on my tap water its currently 8.2 well i was told to go buy some ph minus powder from lowes and i did but im not sure if i should use it its made up of sodium bisulfate 93.3% and sodium sulfate 6.7% please let me know thanks Rating: 5