Classic 150-EXT Protein Skimmer Live Foods it can cause irregular readings

it can cause irregular readings and using Hanna's Deionized Water will help prevent that from happening

Controller Specifications:

A single Multi-Light RMS can support XR15 and XR30 lights on the same track

For superior color

Over sized collection cup with drain

Classic 150-EXT Protein Skimmer Live Foods it can cause irregular readingsFeatures & Benefits Superior out of sump performance Aquatrance pumps specifically made for protein skimmers Easy maintenance Output designed for bubble free outflow Quiet operation High quality hand made acrylic construction waste drainage Trusted by professionals and hobbyists Overview Featuring a small footprint, the OCTO series Classic an out of sump protein skimmer. Classic Skimmers features high quality cast acrylic body construction, easy