GLB Algae-X - 1 Qt. Type_Filter Accessories and this is the distinction

and this is the distinction most pool owners never learn

The FROG® @ease SmartChlor® In-Line Kit is the complete starter package for the @ease In-Line System — the version of @ease that snaps directly into a port built into your spa's filter area rather than floating on the water

and your spa is designed to run a pair for a full 100 square feet of filtration

This 7CH-975 screws in with a 1-1/2 inch SAE thread

keeping them suspended in the water instead of bonding to your spa's surfaces

GLB Algae-X - 1 Qt. Type_Filter Accessories and this is the distinctionGLB Algae X 1 Qt. Overview GLB Algae X is a long lasting, non foaming, multi purpose polymer algaecide. It is effective over a wide pH range. This product has been proven not to harm liners or affect swimmer comfort. It is easier to prevent algae growth than to destroy established algae, Algae X does both. It's the economical, all purpose algaecide. This product is compatible with chlorine, bromine, ozone, salt water pools, and biguanide sanitizers.