Hey all,
I have bought the PMDD Pre-Mix from aquariumfertilzers.com
It comes with 1 Part KN03, 1 Part K2S04, 1 Part MgSO4, and 1 Part CSM+B
It says dissolve 1/4 PMDD with 500ml water, then use 1-4 drops per gallon per day.
Is there an amount I can put in at once that'll fertilize the water...