Aquascape® LED Pond Waterfall and Landscape Accent Light 1-Watt UV Clarifier Pond Size_5000 Gallons you might consider Barley Straw

you might consider Barley Straw Concentrated Extract

Designed to install easily in any wall

Provides installation of G2 Probe without Flow Chamber

Four kits available:

Periodically check the flapper valve on end of drain hose for obstructions and good movement

Aquascape® LED Pond Waterfall and Landscape Accent Light 1-Watt UV Clarifier Pond Size_5000 Gallons you might consider Barley StrawThe Aquascape 1 Watt LED Waterfall light provides beautiful lighting options ideal for use in ponds, waterfalls, gardens or the up lighting of plants. This energy efficient, compact light can be placed anywhere an accent light is needed, and it can be used either in or out of the water. Aquascape Transformers sold separately. The 3000 Kelvin temperature will provide natural looking white light that will completely transform the way your water feature