Just because you are using tap water does NOT mean you dont need Calmag. Depending on the ppm of your tap if it is really low then you might be smart to use as atleast a preventitive. My tap sits about 110 and I bump it to 200 with Calmag and then add nutes at strength needed at that time of grow.
tinytoon Reviewed by tinytoon on . Purple urkle Hydro grow First time trying hydo. Heres a picture about a week in : http://i13.photobucket.com/albums/a263/hippiesrok853/babyys.jpg Any tips from the senior growers? This is not my first grow overall, i usually run indoor,i have a few indoor plants going as well. Rating: 5