Algae Free Acrylic Scrapers (3pk) itemID-7205 The material can either be

The material can either be used in the filter net supplied with the pack

3 x Rectangular Micron Bag

alkalinity reagent starter kit for 25 tests (1 bottle of alkalinity reagent

Digests organic debris in gravel and filters

protective intake screen and connection fittings

Algae Free Acrylic Scrapers (3pk) itemID-7205 The material can either beAcrylic Safe Replacement Blades Contents: 3 acrylic safe replacement blades To replace the blade: 1. Remove old blade by grabbing the plastic piece in the center with your thumb and index finger and push down with thumb. 2. Reverse the process to replace with new blade. For acrylic aquariums make sure to use the white acrylic safe pad that came with your Algae Free cleaner.