Maxspect Aeraqua Duo AD600 Ozone Resistant Upgrade Kit Chihiros Onyx Sand™ is not chemically

Onyx Sand™ is not chemically coated or treated but does have a slight buffering capacity that may raise pH by 0

SeaGel™ will function 3–4 months

Reference test

Provides a healthier environment for your aquatic inhabitants

Homogenous light with a gentle shimmer

Maxspect Aeraqua Duo AD600 Ozone Resistant Upgrade Kit Chihiros Onyx Sand™ is not chemicallyMaxspect AeraquaDuo AD600 Ozone Resistant Part Set Ozone Resistant Kit for AeraquaDuo AD600 Skimmer. WIthout the use of ozone resistant material, the plastic on your skimmer will quickly degrade and start to fall apart. That's where the AD600 Ozone Upgrade Kit comes in! Made from ozone resistant material, it's a must have for anyone wanting to run ozone with this Protein Skimmer.