Blue Horizons Chlorine Reducer - Tub of 1Kg

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You can find chlorine test strips at hardware stores, pool supply stores, and online. [3] X Trustworthy Source Centers for Disease Control and Prevention Main public health institute for the US, run by the Dept. of Health and Human Services Go to source

If there is insufficient calcium in the water of a tiled pool, the water will, over time, dissolve the calcium in the grout, making it soft. Eventually, the grout will disappear, leaving sharp edges which pose a cut risk to bathers. In a tiled pool, the calcium hardness should be kept above 200ppm. Calcium hardness can be increased by adding calcium chloride (calcium builder). Reason for Testing: Maintaining the correct level of alkalinity in your pool helps prevent unwanted changes in the pH levels. If the alkalinity level is too low then the smallest amount of chemical treatment will alter the pH. If the alkalinity level is too high (over 180ppm) then it becomes very difficult to alter the pH. A level greater than 80ppm stabilises the pH of the water so that any chemical treatments or environmental factors will not rapidly alter the pH.

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Monitor your pH level. Chlorine works best at a lower pH level, so letting your pH drift too high could result in having to add more chlorine. The sweet spot for pH is between 7.2 to 7.8. If you’re in no hurry to use the pool, waiting it out is the easiest and most cost-effective approach to lowering your free chlorine level. Without use, most pools naturally lose free chlorine at an average daily rate of around 2 to 3 ppm, though this is influenced by things like water temperature, UV exposure, and the cyanuric acid level. As we’ve just established, the alkalinity level in your pool influences the pH level of water, so it’s vital that the alkalinity level is kept within the range of 80-160ppm to help keep the pH of your water correct. As such, reducing or increasing the alkalinity of your pool as per your requirements represents a vital part of maintaining pool water. How to reduce alkalinity in a pool

For example, just halving your chlorine level requires that you empty half of the pool water. Even for a smaller pool, that’s a lot of treated water to move before even thinking about the environmental impact or local regulations. User tip: for 20-gram tablets, fill up the floating dispenser and adjust the collar accordingly. The tablets will take 5-7 days to dissolve. On that note, you won’t have much wiggle room if your water exceeds the recommended chlorine level while having little to no cyanuric acid in your water, so always err on the side of caution. 4 Ways to Lower Your Chlorine Level (Best to Worst)

We created a ‘chlorine neutralizer dosage’ calculator so you can adjust the values yourself and get the exact dosage for each type. Bromine is an alternative swimming pool sanitiser chemical to chlorine. Bromine offers a number of benefits for maintaining pool water, acting as a sanitiser, oxidiser and algaecide for your pool. While chlorine is the more common choice among pool owners, bromine is the chemical of preference for spa and hot-tub owners due to its superior effectiveness in warmer temperatures. Using a brominator and BCDMH sanitiser (bromine tablets) Calcium levels are usually a factor in tiled pools. If you have a tiled pool and live in a soft water area, it’s important that you keep sufficient calcium in the pool water. This is not a problem in hard water areas, as the water supply will naturally contain enough calcium. Reason for Testing: To allow Chlorine to work to its full potential and to prevent any corrosion or scale forming it is important to maintain a pH within the ideal range. The correct pH level also provides comfortable bathing conditions for the bather as it reduces the chances of irritation occurring.

For those using calcium hypochlorite tablets, the tablets are placed in the skimmer basket or floating dispenser. User tip: If you’re using our multifunctional tabletswhich already contain algaecide, you should only dose your pool with 1 litre of algaecide for every 10,000 gallons of pool water at the start of each season. After that initial dose, the multifunctional tablets will supply sufficient algaecide to help prevent algae from getting established.Algae are a major problem for outdoor pools. A product of low chlorine levels, poor water balance or bad filtration (or a combination of any of the three), algae, particularly if left to develop and bloom, present a number of issues for pool owners. These include potential damage to the pool, making the water unsafe for use and changing the water colour to an unpleasant aesthetic. Following this, you can use the chlorine dosing calculators to work out the required chemical dose to increase the amount of chlorine in the water. As a general rule, 2 litres of swimming pool dechlorinator per 10,000 gallons of pool water will reduce the chlorine level by 5ppm. IMPORTANT:Please note when using any of the dosing calculators that they are only a guide. Swimmingpoolchemicals accepts no responsibility for any damage.