Last trees

Outside filtered, declorined, etc.

If this works out I am going to go this way with my grows even inside. An only water system would be great. Even if I have to add a few nutes later, beats what I do now! Just Pre clean the water, the water sits at 400 ish ppm an 7.0 ish pH filtered. Should be ok what say you dirt farmers, is the pH a concern? I don't think so but I am all ears.

Since they can pick and choose nutrients. This is like a dirt grow but bottom feed and only water. 

Self filling tank