Filter Questions

[ALW]

lets say 20 gallons

You will need about 7.5-10kg

 

[nanoMama86]

I have found my system is more stable with the removal of my big HOB filter. I put three big powerheads on the back middle of the tank pointed forward,slightly up, and built my LR up with them in the middle, forcing them to pull water thru the rock. This has been amazing as far as filtering !