Recent content by Robert 208

Thanks for that. Yes you are coreect the UGF is unadjustable. I thought I could switch it off for a couple of hours per day and leave the new one running?

Hi I have a 20 gallon (UK) hexagonal tank. I want to switch from power head driven under gravel filter to a cartridge type filter/pump. I also want to switch from 3-4mm gravel to sand mixed with 1mm gravel. How long should I run the new filter in the tank before I can remove the gravel...

Hi I have a 20 gallon (UK) hexagonal tank. I want to switch from power head driven under gravel filter to a cartridge type filter/pump. I also want to switch from 3-4mm gravel to sand mixed with 1mm gravel. How long should I run the new filter in the tank before I can remove the gravel...