Mag-Float Glass Aquarium Cleaner - Large Sea Cucumbers It has a grain size

It has a grain size of approximately 1-3 cm

The tannins released from these pieces create a more natural environment for Bettas

Harvested while actively feeding on nutritious algae

With smaller aquariums

The small size and nutritional composition of Pac-Pods make them irresistible to fish and corals from SPS

Mag-Float Glass Aquarium Cleaner - Large Sea Cucumbers It has a grain sizeMag Float Floating Glass Aquarium Cleaner Large The large Gulfstream Tropical Mag Float Floating Glass Aquarium Cleaner uses two a strong magnetic connection to allow easy and hassle free cleaning on the inside of the tank, all without getting a drop of water on your hands. With one half of the device on the outside and half on the inside, you can move the magnetic scrubber around the inside of the tank to eliminate build up of algae and other smudges