Sensafe (480008) Total Hardness Test; Bottle 50 Test Strips Pleated Polypropylene1409 or composite porcelain surfaces

or composite porcelain surfaces

Ensures one-way flow and prevents backflow in chemical injection systems

This filter uses standard 20-inch housing dimensions and fits any compatible Big Blue or standard 20" x 2

The Unicel K-40715-B fits all standard 10-inch Big Blue and Big White filter housings with 4

Sensafe (480008) Total Hardness Test; Bottle 50 Test Strips Pleated Polypropylene1409 or composite porcelain surfacesThe Sensafe 480008 Total Hardness Test provides fast, accurate water hardness measurement in just 3 seconds using simple colorimetric test strips. This bottle contains 50 test strips with a detection range from 0 to 1000 ppm, ideal for pool and spa maintenance, water treatment service work, and customer education. SPECIFICATIONS Sensafe 480008 Test Strip Features Tests Per Bottle 50 strips Individual test strips Test Time 3 seconds Instant results