Build your own
Been using it for years with no problems!
My tanks have "real" sight glasses and they SUCK. The glass is super brittle, they leak CO2 and are very difficult to manually clean. I'm tempted to toss them all and use your method Tom!
Been using it for years with no problems!
My tanks have "real" sight glasses and they SUCK. The glass is super brittle, they leak CO2 and are very difficult to manually clean. I'm tempted to toss them all and use your method Tom!