=Calcium Scale=
...m scale is usually uniform and covers both plaster and pebbles in a pool. Calcium scale usually feels rough, like sandpaper, on the pool surfaces.
6 KB (937 words) - 20:42, 30 April 2024
=What is Calcium Hypochloite=
...Chlorine]] that is added using Cal-Hypo another 0.71 parts per million of Calcium is also added to the water.<ref>https://www.troublefreepool.com/threads/cos
4 KB (672 words) - 01:35, 8 September 2023
Reverse osmosis (RO) is used to reduce [[Calcium Hardness]] (CH) and/or [[CYA]] in pool water.
...y to recover water that would otherwise be dumped due to high [[CYA]] or [[Calcium Hardness]] and ergo is environmentally astute, especially where water conse
2 KB (374 words) - 18:55, 27 December 2023
==What is Calcium Hardness?==
...he direct measure of the amount of calcium ions (Ca2+) in your pool water. Calcium hardness is different from total hardness (TH) or general hardness (GH) as
11 KB (1,762 words) - 04:05, 19 April 2024
...H, the pH rises again quickly and generally above 8.5. This indicates that calcium hydroxide (a plaster component) is being dissolved and removed (uniformly)
...ce) typically becomes “carbonated” (calcium hydroxide being converted into calcium carbonate) over the first two to three weeks after filling with balanced wa
6 KB (1,050 words) - 20:04, 4 October 2021
...at exchanger and chlorine oxidizes the copper. This is why maintaining a [[Calcium Hardness]] of at least 200 ppm is recommended if you have a gas heater.
3 KB (583 words) - 16:13, 9 April 2023
===Calcium Hardness (CH)===
...from erosion. However there are exceptions where you may need to add some calcium. Examples include:
5 KB (914 words) - 19:18, 11 February 2024
...a possibility this will be pricey, but you’ll be able to enjoy your pool. Calcium Hypochlorite is commonly sold in either granular form or as "pucks." Users
...a user should keep a very close eye on their pH. In addition to increasing calcium level a major issue with Cal-Hypo is that it can cause cloudy water upon ad
6 KB (1,079 words) - 21:33, 3 April 2020
TDS in pool water includes [[Salt]], [[Calcium Hardness]], [[Free Chlorine]], [[TA]], and [[CYA]] and any other soluble su
...r read's the concentration of ALL conductive ion species in water (sodium, calcium, chloride, nitrates, sulfates, etc, etc, etc). If it is not accurately cali
3 KB (451 words) - 20:06, 4 October 2021
*Optional - add a small amount of Calcium Chloride to get my water calcium hardness to 250ppm or so (helps prevents foaming in my tub)
===Is Calcium Hardness Important in a Hot Tub?===
6 KB (990 words) - 12:21, 25 May 2020
Calcium scale is predominantly calcium carbonate which, once formed, does not redissolve easily at normal pool pH.
...sium sulfate (MgSO4). It has a Mohs hardness that is slightly greater than calcium carbonate with a value around 3.5. It is also a frangible material when it
11 KB (1,838 words) - 19:42, 24 April 2024
...ell tends to stay clean but you'll get more snowflakes out of the returns. Calcium hardness is only one part of the equation.
...s sufficient levels of carbonate ions available (CO3--), then you will get calcium carbonate precipitation. The higher the TA and pH, the more carbonate anion
9 KB (1,455 words) - 15:33, 7 October 2023
...ant water to be slightly positive in it's scaling index so a thin layer of calcium carbonate in your metal pipes would remain intact.<ref>https://www.troublef
*balanced towards calcium carbonate- zero,
17 KB (2,591 words) - 20:00, 29 January 2024
...ays. This is because the plaster (cement paste) surface contains about 20% calcium hydroxide, which is somewhat soluble in balanced and slightly positive CSI
2 KB (302 words) - 03:36, 29 May 2024
Scale inhibitors are not needed unless you have a high calcium hardness problem or metals in the water.
2 KB (238 words) - 19:23, 29 February 2020
Mixing calcium hypochlorite with anything is one of the most dangerous types of mixtures.
...dissolving calcium to make a slurry to add to the pool. It is safer to add calcium directly to the pool.
12 KB (1,986 words) - 17:47, 26 July 2023
...p. This feature turns the cell on and off at regular intervals to minimize calcium and scale buildup and further maximizes cell life
...peration the cell will switch its polarity to help prevent any build up of calcium on the cell plates. This is sometimes referred to as the automated cell cle
7 KB (989 words) - 14:31, 4 November 2023
*CH = Calcium Hardness, dissolved calcium.
...example, it may take a few more drops of reagent in a total alkalinity or calcium hardness drop test before you see the color change, which will result in a
12 KB (1,991 words) - 12:27, 27 May 2024
...bound to [[Calcium Hardness|calcium]]. Both [[CYA]] and [[Calcium Hardness|calcium]] accumulate in the water and can only be eliminated by draining.
High calcium levels can cause scale on pool surfaces and in a Salt Water Chlorine Genera
11 KB (1,767 words) - 01:42, 22 April 2024
...ogen chloride), all types of chlorine, sodium chloride, [[Calcium Hardness|calcium chloride]], bromine.
...thium chloride, magnesium chloride, potassium chloride, sodium chloride or calcium chloride will add chloride ions and raise the salinity level.
13 KB (2,098 words) - 01:55, 6 August 2023
