Water Hardness

SKU: 778448 Category:



Water Hardness test paper is packed with two rolls of test paper and two specially calibrated color charts. One roll measures between 0-20 grains per gallon of calcium carbonate. The second roll measures from 10-50 grains per gallon. The color chart has color matches at 0-5-10-20 grains per gallon. A reading of 5 grains per gallon indicates moderately hard water. The second roll of test paper has color chart matches 10-20-30-50 grains per gallon and is used for testing known hard water sources.


Additional information

Weight 0.0844 lbs


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.