I changed mine after 2 years. I noticed during this change that the membrane still looks super clean. I sent a picture to BRS at the time, and they suggested that it was still good based on my usage. Once I peeled the layers of membrane for BRS support, you can no longer use it. I was just...
I was thinking about keeping it low-tech, which I believe means a planted system that doesn't use C02 and hard to keep plants.
For example, what I think I want.
Fluval Stratum - has nutrients for plants.
Sieryu or Dragon Stone - for hardscape
Easy Plants - that doesn't require c02
Betta fish -...