Suitable gravel sizes are between 3/8 inch to 1 inch size

as well as providing natural biological filtration from beneficial bacteria

1 LED Rock Light

so they can absorb nutrients from the water more easily

Oase AquaMax Eco Classic 3600 Pond Pump filter media Suitable gravel sizes are betweenOase AquaMax Eco Classic 3600 Pond Pump The AquaMax Eco Classic filter and waterfall pump moves debris from the pond bottom to the pond filter, helping to maintain the ecosystem's health, natural balance and beauty. It functions as the central point of the pond filtration center and features a large surface wrap around strainer to catch large particles of pond debris (up to 3 8 in). FEATURES: The AquaMax Eco Classic 3600 is the energy efficient heart