I was wondering what the best way to filter a 29 gallon planted would be. I can't afford a canister filter, and I already have a suitable HOB filter from an established tank.
If I keep the water level high, would a HOB filter be a problem with CO2? Or is there a better filter type that I could still use my established filter sponges in?
And on a related note, would it be good to use Flourish excel in a tank where there might be more surface movement? I gather excel isn't really a replacement for CO2.
If I keep the water level high, would a HOB filter be a problem with CO2? Or is there a better filter type that I could still use my established filter sponges in?
And on a related note, would it be good to use Flourish excel in a tank where there might be more surface movement? I gather excel isn't really a replacement for CO2.