Fragrance free

The air out-inlet deciding membrane is made of polyurethane

Greatly-reduced hydrogen sulfide production

then repeat the procedure on the neck

big capacity external canister filter set

Vitamarin-M 125ML VITAMIN Fragrance freeFull spectrum vitamin supplement formulated to benefit marine fishes, corals and other invertebrates, and other marine aquarium inhabitants. Provides a full complement of vitamins in the same ratios found in the tissues of filter feeding marine invertebrates, organisms that extract plankton from the surrounding water and gain their nutritional benefit, and which are in turn consumed by many reef inhabitants. Requires no refrigeration. Composed of