Fluval Gravel Vac Substrate Cleaner Size:Medium/Large prevents digging in at edges

prevents digging in at edges

Prevents nuisance algae and enables control of zooxanthellae for optimum coral growth and colorationRed Sea NO3: PO4-X is a unique complex of carbons that are used by nutrient reducing bacteria

Do not microwave

and the building blocks of protein

Fluval Gravel Vac Substrate Cleaner Size:Medium/Large prevents digging in at edgesFluval Gravel Vac Multi Substrate Cleaner uses a simple pump motion to begin siphoning grit, grime and waste from your aquarium gravel. The thumb operated flow regulator allows you adjust speed as you clean, while a gravel guard prevents clogging while you syphon waste from your aquarium. Sizes Specifications: Small Medium: For tanks up to a depth of 50cm Medium Large: For tanks up to a depth of 60cm