Your tap water should be around 200 ppms are so u need to get a ppm meter because if u mix your nutrients according to the directions u will burn them bad start off at a 1/3 always remember u have to count your waters ppm (TAP WATER) it will throw u off big time so 600 ppm is really 400 ppm nutrients 200 water if u use store bought say distilled it's 0 ppm so u would count all ppm's as nutrients π§π§βοΈβοΈπ΄π΄π΄π΄
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