Zoo Med Aquasun Aquarium Timer planted tank Quick Change is pre-dissolved to

Quick Change is pre-dissolved to avoid the wait-time necessary for allowing pH and other critical parameters to normalize

They are dark blue in color with lighter blue horizontal stripes down the sides of their bodies

Other carbons in the ornamental fish/aquaculture market include the peat and lignite carbons

but also in terms of all other elements

Caution: Keep out of the reach of children

Zoo Med Aquasun Aquarium Timer planted tank Quick Change is pre-dissolved to24 hr programmable lighting timer. Provides a natural day night cycle for your fish. Includes LED lamp on indicator & manual override switch. Grounded 3 prong receptacle for safety.