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Denitrification Catalyst for the Maxspect Anaerobic blocks x 5 Each catalyst is suitable for 2 months of bacterial production so this package will last 10 months
Supplied complete with carry case
That’s what makes Arag-Alive
it is the closest thing to Tonga Branch
Includes high sensitivity Colourimetric test for precise and accurate results
Natures Ocean Bio-Activ Live Reef Sand Samoa Pink 10lb / 4.5Kg bluetang Denitrification Catalyst for the MaxspectBenefits of Nature's Ocean Bio Activ Live Aragonite Sand: Collected in its natural environment and packaged in its natural state Just place in the tank, add saltwater then add fish, no waiting required. Instant ammonia cycling Perfect for most applications (except Undergravel filters) Contains natural live marine bacterial biofilm Superior to cultured live sand products Approx grain size 0. 5 1. 7mm Available in two sizes 4. 5kg (10lbs) and 9. 07kg