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It is safe
Nitrite and Nitrate
Product Dimensions: 160x160x420 mm
Capable of emersed growth in humid conditions
this means that magnesium that was present in the water is now unavailable
CaribSea Arag-Alive! Hawaiian Black (20 lbs) nitrate remover It is safeBeautiful marine substrate packed with millions of heterotrophic, autotrophic, and chemolithotrophic bacteria. Huge beneficial bacteria population aids in waste reduction and dramatically reduces cycling time in new setups. Use alone or to kick start existing substrate bed. Arag Alive is specially egineered to supress "new tank syndrome" and compress the ammonia cycle. It's like having a nitrite and nitrate filter, ammonia reducer, and a high capacity