Tetra Goldfish Holiday Feeding Block 14 Days Tank Inside the filter are sponges

Inside the filter are sponges with a special fixture to prevent deformation of the internal sponge - it also prevents the passage of filter media outside of the filter housing (important in the case of resins or absorbers like GFO)

Ammonia is often released within the tank when we stir up decaying matter buried in the substrate and when there is a build-up of waste matter

0 32w 59-89cm—a premium solution available exclusively to discerning marine aquarium enthusiasts

All Reef Pure RO/DI systems feature high-quality

53446WH-S REEFSYS 180 AQUASYS 155 CABINET 60L X 55 D X 80CM H WHITE

Tetra Goldfish Holiday Feeding Block 14 Days Tank Inside the filter are spongesTetra Goldfish Holiday Feeding Block (Feeds up to 14 Days) Provide the best nutrition to your goldfish fish while you are away! Tetra Goldfish Holiday is a plaster free, gel based vacation fish food block that provides quality nutrients for all goldfish. It is enriched with vitamins and contains tasty daphnia for a healthy diet. This innovative gel food block does not disintegrate on its own but allows your fish to eat by nibbling whenever they are