Marine & Freshwater<Top Fin ® Retreat Rf-S Filter Cartridges

Directions:
Step 1: Remove Used Cartridge.
Step 2: Rinse New Cartridge Under Cool Water To Remove Dust.
Step 3: After Rinsing, Insert Cartridge Into Filter Chamber. Make Sure Cartridge Fits Completely Into Filter Chamber.RNRN

Advice For Use: To Help Maintain A Healthy Aquarium, Change Filter Cartridge Every 3-4 Weeks, Or If Water Flow Becomes Obstructed. Remove Cartridge When Medicating Water As Carbon Will Absorb Medications. Change Out 10% Of The Water Weekly Or 25% Monthly. Use A Water Conditioner (Sold Separately) Every Time You Add Fresh Tap Water To Your Aquarium.RNRN

Caution: Never Use Soap, Detergents, Or Cleaning Agents While Cleaning The Aquarium Or Equipment As They Can Harm Your Fish. This Is Not A Toy. Keep Out Of Reach Of Children.