Digital Controller for 4 or 6 RGBW Lights Pond Liners & Underlayment These plastic Bio-Balls are a

These plastic Bio-Balls are a great media for use in all types of biological filters

Optional Copper Spillway Attachment available

Five models to choose from with a range of flows from 1400 to 4850 gallons per hour

but can be adjusted down

This chelated copper algaecide is much safer and remains active in the water column up to 15 times longer than copper sulfate

Digital Controller for 4 or 6 RGBW Lights Pond Liners & Underlayment These plastic Bio-Balls are aThese controllers will power up to 2, 4 or 6 color changing LED lights depending on the model. Weatherproof with mounting holes Built in digital timer Built in lithium battery memory protection Remote control with 1000 range Built in voltage regulator for adequate voltage for lights up to 300 away 115 volt input with 24v DC output Pigtail with 5 pin receptacle and quick connect end. One year warranty. See instruction manual for details.