are those soil tests any good each pack has 4 tubes one for ph one for N P and K i spent $8 on them i bought 2 and i dont mean for water i know where i can get one of those easy
THINKGREEN420 Reviewed by THINKGREEN420 on . PH I havnt checked my ph yet at about 1.5 months in no problems tho. How important is it i dont want to have something go wrong before i do something Rating: 5