Diatomaceous Earth > Filtering Media (D.E.) 25 lb. bag.

Zeobest™ Sand Alternative Filtering Media > You will only need one pound of Zeobest™ for every two pounds of sand your filter requires.
25 lb. Bag.

Zeobest Ultra Sand Filtering Media > Alternative 25 lbs. is coated with a special antimicrobial coating that actually kills many of the organisms that your chemicals currently attack.
Use 1 lb. for every 2 lbs. of sand.