BioGuard EcoKlean - Diatomaceous Earth*
*BioGuard Ecoklean is an environmentally friendly Diatomaceous Earth (D.E.) alternative replacement filter media. EcoKlean is a completely biodegradable high performance product outperforming Diatomaceous Earth in every way. You will experience superior filter performance and extended filter cycles. Starting with your second application of EcoKlean, you will not recharge your filter as often as you do with Diatomaceous Earth.