Eshopps PF-300 Overflow Box Corals Best used as part of

Best used as part of a balanced magnesium routine with magnesium sulfate

Do not exceed the electrical rating listed on the product label

Temperature swings are not tolerated and may lead to bleaching

Xenia corals do not possess stinging cells or even a full digestive system

Eshopps PF-300 Overflow Box Corals Best used as part ofEshopps PF 300 Overflow Box Eshopps PF 300 Hang On Sump Overflow The Eshopps PF 300 Overflow Box provides a convenient way to connect a non drilled aquarium to an under cabinet sump, refugium or biological filter. Its hang on back design transfers aquarium water over the tank wall through a smoke coloured U tube, eliminating the need to drill the aquarium panel. Designed for aquariums up to 75 gallons with a maximum flow rate of 300 GPH, the PF 300