Originally Posted By: Mike Whatley
What type of diffusers are they (ie, rubber membrane, stone)?

I installed my system around the same time and it's been down for about the same length of time. You've got me curious, to say the least.


The diffusers I have are like this https://www.livingwateraeration.com/kasco-marine-robust-aire-diffuser-1-15-cfm.html (This is not where I bought them from it is just the first similar picture google pulled up)