Fluval Output Nozzle for 05/06/07 Filters (A20053) AquaClear 5 pH units (depending on

5 pH units (depending on source water characteristics)

Optimal levels of UVB

4vs (m=mL of product to add to top off water

so you can add fish to your aquarium (or add them back after a water change) immediately

Fluval Output Nozzle for 05/06/07 Filters (A20053) AquaClear 5 pH units (depending onReplacement Output Nozzle is suitable for: Fluval 104 External Canister Filter (A200) Fluval 204 External Canister Filter (A205) Fluval 304 External Canister Filter (A210) Fluval 404 External Canister Filter (A215) Fluval 105 External Canister Filter (A201) Fluval 205 External Canister Filter (A206) Fluval 305 External Canister Filter (A211) Fluval 405 External Canister Filter (A216) Fluval 106 External Canister Filter (A202) Fluval 206 External