Slow R/O unit water production

[Slyguy00]

Originally Posted by Reef Pilot

0 TDS is after the membrane. But when the pre-filters plug up and need changing, water flow will slow down to almost nothing. I now use a finer sediment (1st filter) and change it first, before the more expensive downstream carbon block filters get plugged. Otherwise they will plug as well, and you have to change the whole works.

+1