hmf

I setup a HMF in my hospital / quarantine / grow out tank a couple of years ago and it has done great but the sponge has got to the point that it is no longer holding it's shape and keeps collapsing into the area behind it where the heater lives. I normally replace sponges that get to this...

The idea A couple of mountains with a mountain range in the background. Spaces for aquasoil in built into the rocks and lifted up to different levels of height, some right below the lamp, at the top of the mountains. So I hope to bring smaller foreground plants up into the mountains! The...