Fluval FX4 Filter Replacement Motor Assembly eBay Once you have tested the

Once you have tested the water

Acrylic is also a good insulator

The integrated 1500LPH pump powers the system and can also be used to create a small fountain display

Slim Profile

Add correct amount to a clean watering can of 1ltr of just-boiled kettle water and using an airstone bubble the solution for 20mins before adding to the pond

Fluval FX4 Filter Replacement Motor Assembly eBay Once you have tested theThis is the Fluval FX4 Replacement Motor Assembly suitable for the Fluval FX4 External Filter. The Fluval FX4 Filter Replacement Motor Assembly includes: Fluval FX4 Replacement Motor Fluval FX4 Filter Motor Seal Ring