Quote Originally Posted by LOC NAR on probation
You need to add cal mag plus to get it up to 250 ppm's and then add nutes. A little shy of that won't hurt.
:thumbsup: Thank You
maro69camaro Reviewed by maro69camaro on . Tap water PPM Ok how low of PPM before you start supplementing cal and mag? My Tap water is 40 PPM should I be supplementing with CalMag? Rating: 5