Pool Open/Closed Double-Sided Sign - 12 x 6 Inches on Styrene Plastic state_Colorado It is used for Calcium

It is used for Calcium Hardness testing in Taylor Kits

and one manual

This Stenner chemical pump #45MJL5B2STAA provides reliable chemical feeding for your swimming pool

This ceramic pool depth marker is printed with 3 FT and has a smooth surface

Because it has no gears

Pool Open/Closed Double-Sided Sign - 12 x 6 Inches on Styrene Plastic state_Colorado It is used for CalciumThis Pool Open With Sun Graphic and Pool Closed With Sunset Graphic Double Sided Sign measures 12 x 06 inches, is printed on . 040 mil Styrene Plastic, is printed on both sides and is designed to inform patrons that the pool is open or closed. Our general information signs are very noticeable and used to inform people of facility restrictions, policy, object location or instruction. This sign is lightweight, durable, and waterproof for indoor or