allright so i cleand my resivors and added 1 1/2 tsp epsom salt, 1 1/2 ml h2o2, 1 tsp grow big ,1 1/2 tspbig bloom ph was 4.3 added some raise 6.0 now and ppm is 350 is tht good ill switch resivors again when i get that calmag in the mail im going to order it today when i get my money