A calcium increaser for the pool is a quick and effective way to protect your pool from low calcium hardness. Pool water with below normal levels of minerals like chlorine, will try and extract minerals from anything it touches, like your pool walls, ladder and filter system.read more
In the Swim’s calcium hardness increaser contains calcium chloride and comes in granular form which is fast acting and easy to use. When your pool test strip shows you pool’s hardness level has dropped below 150 ppm, simply add about six pounds per 10,000 gallons of water to raise the level by about 50 ppm.
Chemical name: Calcium Chloride.
|CALCIUM HARDNESS GUIDE|
|YOUR READING||YOU NEED||GALLONS IN POOL|
|50 ppm||calcium increaser||15 lbs.||20 lbs.||25 lbs.||30 lbs.||35 lbs.||40 lbs.||45 lbs.||50 lbs.||55 lbs.||60 lbs.|
|100 ppm||calcium increaser||9 lbs.||12 lbs.||15 lbs.||18 lbs.||21 lbs.||24 lbs.||27 lbs.||30 lbs.||33 lbs.||36 lbs.|
|150 ppm||calcium increaser||4.5 lbs.||6 lbs.||7.5 lbs.||9 lbs.||10.5 lbs.||12 lbs.||13.5 lbs.||15 lbs.||16.5 lbs.||18 lbs.|
|200 ppm||Desired Range!|
|350 ppm||Use Calcium Hardness Decreaser|
|400 ppm||Use Calcium Hardness Decreaser|
Liquid Solution 4-Way Water Test Kit
AquaChek Pro II Four-In-One Pool & Spa Test Strips