Tetra Pond Fountain Block (6 blocks) - Eliminates Algae Heater During the vacuum cycle the

During the vacuum cycle the holding tank fills with dirty water

Compatible replacement for Aquascape G1 09009 Mini BioFalls and UltraFalls 99294 Filter Pads

The waterfall spillway width is 11

6 or 8 hours with the photocell

If you do not need to use the entire spool of Springflo for your filter

Tetra Pond Fountain Block (6 blocks) - Eliminates Algae Heater During the vacuum cycle theTetra Pond Fountain Block is a great treatment for small container ponds, water features and fountains. It offers an easy and effective way to control and prevent growth of algae while also keeping the water crystal clear. Each treatment is a solid block that is added into the pond, making it a super easy, zero maintenance application! Replace block when fully dissolved (up to 30 days). Controls Algae: Helps prevent algae growth in ornamental water