Nature's Ocean Nutri-SeaWater® Aquarium Saltwater Size:4.4 Gallon Each pre-assembled cartridge slides easily

Each pre-assembled cartridge slides easily into place

Features cutting guard to reduce chances of cutting too short

Unique vertical pre-filter cartridge with independent access provides more surface area and better mechanical filtration

and the enjoyment of foraging into your pet’s daily diet

Nature's Ocean Nutri-SeaWater® Aquarium Saltwater Size:4.4 Gallon Each pre-assembled cartridge slides easilyInstant Saltwater Changes No Mixing Required Instant New Marine Aquarium Setups Natural Live Marine Bacteria Bacteria, more than 11,000,000 Bacteria per gallon. 100% Natural Live Ocean Saltwater "Simply The Best" Fortified with QX 23 Enriched Solution: Calcium, Iodine, Molybdenum, Strontium, Magnesium, Cobalt Potassium, Lithium, Aluminum, Vanadium, Chromium, Manganese, Nickel, Selenium, Silver, Cadmium, Zinc, Thallium, Stannus, Antimony. Maintains