Oliver Knott Pond Salt 1kg Food & Treats ACTIVA BLOCK comes with 2

ACTIVA BLOCK comes with 2 end caps designed to allow 2 units to interlock

White (Item #14986)

Unique two-level suction capability

With this timer you now have the freedom and total control

Fluval Carbon is a premium

Oliver Knott Pond Salt 1kg Food & Treats ACTIVA BLOCK comes with 2Oliver Knott Pond Salt contains essential electrolytes and is mineral rich in calcium, magnesium and iron which can help improve water quality by removing ions and replacing lost trace elements during water changes. Harvested through advanced solar evaporation techniques from the waters of the world famous Australian Great Barrier Reef, this aquarium salt is like no other in the world. Directions Use 80g (~5 tablespoon) for each 200L (50 US gallons).