Rubbermaid sump not good

[Beverly]

Originally Posted by NaCL- REEFER

And Knowing that the Nitrates will build up in the floss ,but i have a 2-2.5 " sand bed will that take away the NItrates.

Michael,

Nitrates won't build up in your system if you clean the floss weekly in outgoing changewater. The changewater will preserve the bacteria in the floss, but will clean out the crud that becomes nitrate.