20% OFF Most Items April 1 - 30th (Discount applied at checkout) PLEASE ALLOW 24-48 HOURS FOR CUSTOMER PICK UPS DURING THE SALE

SpaGuard Calcium Hardness Increaser

SpaGuard Calcium Hardness Increaser

Regular price
$6.99
Sale price
$6.99
Regular price
Sold out
Unit price
per 

SpaGuard's Calcium Hardness Increaser enables spa owners to increase their calcium hardness with this easy to use granular formula, which will boost your calcium hardness to above the danger zone, where low levels cause extensive corrosion of plumbing, jets, fixtures, and tub surfaces. Calcium Hardness Increaser helps raise the calcium level steadily so you don't get too much calcium and start developing scale build-up and cloudy water. The optimal calcium hardness level is 200-400 ppm, while anything below 100 ppm will cause corrosion.