do fertilizer solution "spoil"?
using a dosing calculator, I was able to determine the teaspoons needed on a 1liter water with 20mL dosage. This would last be for more than half-year.
My only concern is, do fertizer solution "spoil"?
Tank: 48in(H)x18in(W)x28in(H) | filtration: 2x2000LPH canister | substrate: Up-Aqua Aqua Soil | fertilizer: EI+pressurized CO2 | light: 2x54W T5HO+2x150W halide+2x moonlight