The smooth kind are useless "prefilters". Get the one with the rough texture and has many holes in it
Spiritofthesoul;4928960; said:The smooth kind are useless "prefilters".
DaveB;4933312; said:The last few times through I've just rinsed them all at once, but with the tank water as it's draining from the tank. I get good flow from drainage when I drain it into the shower at floor level.
Is that bad? I assumed since it was tank water it'd be fine. It made a huge difference in the nitrate level of the tank.