I bought some dry ferts from GLA.com..
I'm assuming I'll just mix up a custom solution and dose daily with this nifty device...
Either that or is it better to just add directly to the tank?

Green Fertilizer Package: Micros & Macros
- Micros -
- Plantex CSM + B - 1 / 2 Pound
- Macros -
- Potassium Nitrate (KNO3) - 1 Pound
- Mono Potassium Phosphate (KH2PO4) - 1 / 2 Pound
- Potassium Sulfate (K2SO4) - 1 Pound
- Iron Chelate 11% DPTA - 1 / 2 Pound
