Blue Thumb Formal Falls Stainless Steel Waterfall Weirs Size:16" Wide Each kit includes:

Each kit includes:

This filter doesn't hold solids -- it gets rid of them

BioFalls® filter includes rock tray and BioBalls™ biological filter media

As water enters the central chamber

helping to convert toxic ammonia and nitrite into nitrate

Blue Thumb Formal Falls Stainless Steel Waterfall Weirs Size:16" Wide Each kit includes:Blue Thumb (formerly PondBuilder) Stainless Steel Formal Falls have been designed to work with most every block wall, to add a sheer waterfall in any landscape. The stainless steel FormalFalls has a sealed top, allowing multiple layers of block to be stacked on the unit. The pie shaped Mini Formal Falls can be used to bend water around corners (when multiple units used in succession) Stainless steel construction with sealed top to support stacked