but rowaPhos very ex, wanna start out with something more affordable first.
sump already full of LR in 1st and 2nd compartment. 2nd compartment got skimmer pump, LR, and chaeto
thought of using Blackgold, or Seagel to remove impurities, make water clearer etc. or carbon inside FR.
and algae scrubber to remove phosphate and nitrate.
advisable?