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potassium and iron
Beware of cheap pelletized carbon that is made for air purification and not for water
and organic material
Do NOT put the cap back on the K-3 bottle until the test has been completed
CaribSea LifeRock Arches 20lb potassium and ironEach Arch is approximately 12" long. Real aragonitic base rock, not cement, no curing. Extensive macro and micro porosity infused with spored bacteria for outstanding biological performance. Clean and safe for all fish and inverts, environmentally responsible each piece being very unique. Please Note: Because of the fragile nature of this rock, it is possible for the rock to break during transport. We do our best to package the rock sufficiently to
US$ 37.00
US$ 35.00
US$ 147.50
