Calcium hardness is the measure of how hard or soft your pool water is, and how much calcium is dissolved in your pool water. Ideally, you should strive to have your calcium hardness levels at 150 – 400 ppm with your ultimate goal being to try to keep it right in the middle of that figure. Jan 26, 2016 - Hard pool water has elevated levels of calcium and magnesium, as measured by a Total Hardness test, also known as Calcium Hardness. For swimming pools, the range of acceptable hardness levels is 200-400 ppm, although many suggest a tighter range of 180-220 ppm for plaster pools and 150-250 ppm for vinyl pools. Dec 14, 2010 - If the pool has developed scale deposits due to the high water hardness, drain all of the water and clean the pool liner before refilling. Oct 27, 2017 - Pool chemicals don't just keep your pool water clean; they're critical for . hardness; Early algae growth; High total alkalinity; Low or high pH . Taylor Troubleshooter DPD Pool and Spa Water Test Kit - K-1004. + and measure in 25ppm/drop to save time/reagent, which is nice in high hardness water). Amazon.com : Puri Tech 25 lb Calcium Hardness Increaser Plus : Garden & Outdoor. . Increases Water Hardness; Increases Calcium Hardness level in Pool or Spa; Balanced Calcium level can prevent corrosive water . This calcium chloride is high quality and dissolves quickly. Happiness Guarantee · Amazon Inspire AquaTest 7 Way Pool & Spa Test Strips - Accurate Total Hardness, Chlorine, Bromine. Roll over build-up while high pH or alkalinity in your water can cause Visit Anthony & Sylvan Pool Supplies for chemicals, accessories, chlorine . Water balance is composed of three essential parts: pH levels, total alkalinity levels, and calcium hardness levels. . If the levels are too high, you will have cloudy water and calcium deposits . Get Inspired with Videos, Photos, Tips and more! Pool . Dec 8, 2016 - The third was a brief run-down on pool water testing. . Furthermore, indoor pools quite often have high bather loads, so all of Calcium hardness . and international pool and spa case studies to inspire and engage readers.