Looks like a great set-up you have for your drip. And not to complicated etheir. ----thanks for the info. --------------------channa, i beleive he has the fresh water dripping into the tank where it can mix and dilute pollutants. And a overflow drain on the side of the sump so as the drip system adds water the draim can drain the excess away. The sump also has the normal return pump to the tank for the filtration system.These are less effcient than a large water change at lowering the nitrate build up. But they keep a steady lower nitrate level in the tank and keep the parameters steady. And they are automated = less work.


