Marine Pure Spheres 1.9L Box

These porous ceramic spheres provide high-flow biological filtration in sumps, canisters and wet/dry filters, and each one has the surface area of 1,350 plastic bio-balls. Their deep pores also create low-oxygen zones that help with nitrate. Put mechanical filtration ahead of them so they don't clog, and rinse them in tank water every few months.

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Details

Category

Equipment & supplies

Brand

Marine Pure

Volume

2 quarts (1.9 L)

Sphere size

1.5 in (3.8 cm)

Material

Porous ceramic

Removes

Ammonia, nitrite, nitrate

Use in

Canister filters, sumps, wet/dry filters

Suitable for

Marine and freshwater aquariums

Maintenance

Rinse or backwash in tank water about every 3 months