AquaChek Pink Nitrate - 25 Strips width_4 Inches The SW Series includes a

The SW Series includes a heavy-duty 316 stainless steel basket (perforations 1/8 inch on 3/16 inch staggered centers or as required)

and K-2009 test kits

you will need to order 12 of the installation bolts

for the pumps with S3 prefix

This item is fully compatible and interchangeable with Sylvan part # 4920010

AquaChek Pink Nitrate - 25 Strips width_4 Inches The SW Series includes aAquaChek Pink Nitrate Nitrite tests use the most accurate method for nitrate nitrite testing: a one step, one minute, nitrate nitrite test. Check nitrate nitrite levels if you are seeing excess chlorine demand. Positive nitrate test also indicates the potential for algae growth. For a clean and healthy pool, test the water at each end a minimum of twice a week!