AquaChek Blue - 25 Strips safety-cover-type_Solid Vinyl - Heavy Duty and most common food and

and most common food and environmental stains

The Model 30R Simplex strainers are a high quality

The fit to cart must be adjusted for safety

Backwash - For cleaning filter sand bed of accumulated debris

Two 1/2 x 2 Inch Stainless Steel Flat Washers

AquaChek Blue - 25 Strips safety-cover-type_Solid Vinyl - Heavy Duty and most common food andFast, simple, safe and accurate. AquaChek Blue tests for Biguanide, Total Alkalinity, and pH. Ideal for customers who use biguanide as a sanitizer in their pool or spa. Biguanide is a chlorine free sanitizer such as BAQUACIL Chlorine Free Swimming Pool Sanitizer and Algistat, BaquaSpa Sanitizer, Softswim Bactericide, PolyClear. For a clean and healthy pool, test the water at each end a minimum of twice a week!