Clarifier packet open in bag of sand

[jabberwock]

I am adding 5 pounds of sand to replenish my sand bed. When I opened the bag, the clarifier packer was obviously empty. I rinsed it three or four times with old tank water. Sand is sitting in a bucket with old tank water.

 

[lapin]

Water Clarifiers. What are they and how do they work?

Chances are the day you purchased your new aquarium, you also walked out with some accessories and a bottle each of dechlorinator and water clarifier. You may have asked yourself how such a small amount can almost magically transform a cloudy aquarium into a crystal clear tank. The secret...

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