Review on 💧 Culligan Reverse Osmosis Filter Membrane - Optimize Water Purity by Shigg Bigbee

Diaphragm not suitable for AC-30 system. I read the reviews and some liked it and some didn't. We received it and changed the filters including the membrane and had difficulty fitting it. Finally he looked at the carving and forced her in, thinking it must have caused trouble for others. We couldn't get our RO to work properly and had to call Culligan. Spent another $200 on a service bell and a $99 proper cone. I should have called Calligan right away. The other three filters are fine, just know when you get this package the membrane is going in the bin. This is inappropriate. I haven't found it anywhere except at Culligan, which sells suitable filters. In addition, you can extend the life of all these filters than they say. We haven't changed the filters for 4 years, the membrane even longer. I recommend testing your water before simply changing the filters annually. This saves you money. As for the membrane, Calligan tells us that pressure is key. If you start to lose pressure, the diaphragm most likely needs to be replaced.