[koiczar]

Quote: Originally Posted by moikoi here's my chamber + Ultima filter. i basicly use the Ultima for water change.welll...maybe i do get some bio from it. i think you should install BDs with air diffuser while you have the chance.you can always slow down the flow in the winter time. i ran my waterfall all winter and the coolest water temp hit was 42*

I do the same basic thing as far as the waterfall goes. Lowest temp hit this year was a new record for my pond but it only hit 46F.