Pm-622 Increases Calcium Hardness 5 Kg For Swimming Pools

When pool water has low calcium hardness, it may appear clean, but it's actually unbalanced. Soft water tends to attract minerals to the surfaces it comes into contact with, which can lead to problems with liners, grout, metal elements, ladders, pumps, filters, and other components of the pool system. Piscimar PM-622 TH Plus is designed to correct this problem by increasing the water's calcium hardness.

This product acts as a hardness increaser and is used to balance soft water. It is especially useful when, after water analysis, the calcium hardness value is below the recommended range for the pool. The manufacturer's information indicates a suggested dosage of 15 g/m³ of water to raise the calcium hardness by 10 ppm . We have used the technical text in Spanish from the packaging and catalog as a reference.

1. Quick response

Piscimar PM-622 TH Plus is suitable when you need to increase the calcium hardness of your pool water because the analysis shows low values. It's a direct solution for soft water that needs balancing before it causes corrosion, surface deterioration, or instability in water treatment.

2. When do you need this product?

• When the pool water has low calcium hardness.
• When the water comes from an area with soft water.
• When water analysis indicates a lack of calcium.
• When you want to prevent aggressive water from damaging coatings and components.
• When you need to balance the water before adjusting other chemical parameters.
• When some of the water has been renewed and the hardness values ​​have decreased.

3. Problems it solves

• Corrects low levels of calcium hardness.
• It helps to balance soft water.
• Reduces the risk of aggressive water damage to surfaces and materials.
• It contributes to better stability of the chemical treatment.
• It helps protect elements of the installation against water imbalances.
• Avoid having to compensate for balance problems only with pH or alkalinity regulators.

4. It's not for you if…

• Your pool already has a high calcium hardness.
• The main problem is excess lime or scale buildup.
• You need to lower the pH, reduce alkalinity, or eliminate turbidity unrelated to low hardness.
• You haven't measured the calcium hardness of the water yet.
• Are you looking for a disinfectant, algaecide, or flocculant?

5. Benefits

The main benefit of Piscimar PM-622 TH Plus is that it corrects an often overlooked imbalance: insufficient calcium hardness. Maintaining this parameter at appropriate levels helps to make the water less harsh and more stable.

When used correctly, it can better protect pool materials, facilitate overall water balance, and prevent other treatments from working on an unstable chemical base. It is especially recommended for pools with soft water, newly filled pools, or facilities where frequent drops in water hardness are observed.

6. How to use

First, measure the calcium hardness of the water using a suitable test kit. Then, calculate the volume of the pool in m³ and determine how many ppm you need to increase it. As a guideline, the manufacturer indicates a dose of 15 g/m³ of water to raise the calcium hardness by 10 ppm.

Distribute the product according to the instructions on the packaging and allow the filtration system to run to ensure even distribution. Measure the water again after treatment to verify that the value has been corrected.

7. Safety and recommendations

Do not add product without first measuring the calcium hardness. Wear gloves and avoid direct contact with eyes, skin, or clothing. Keep the container closed in a dry, cool place, out of reach of children and pets. Do not mix this product with other dry chemicals and always follow the manufacturer's instructions.

If you have questions about the exact dosage or the complete water balance, you can find guidance on choosing the right treatment at https://www.hidromaronline.com . Hidromar Online has a warehouse in Talavera de la Reina.

8. Recommended uses

• Swimming pools with soft water.
• Swimming pools with low calcium hardness as measured in analysis.
• Correction of the mineral balance of the water.
• Preventive maintenance in swimming pools with sensitive linings.
• Tuning after filling or water renewal.

Key features

• 1. Calcium hardness increaser for swimming pools.
• 2. It helps to balance soft water.
• 3. Indicative dose: 15 g/m³ to increase calcium hardness by 10 ppm.
• 4. Available in 5 kg and 25 kg formats, according to the catalog.
• 5. Product from the Piscimar range.
• 6. Recommended for correcting low calcium hardness.
• 7. Professional and domestic use following the manufacturer's instructions.

FAQ

• Why does my pool need to have its calcium hardness increased? Because water that is too soft can be aggressive to surfaces, joints, metals and components of the installation.
• How do I know if I need Piscimar PM-622 TH Plus? You should measure the calcium hardness of the water. If the value is low, this product helps to increase it.
• When should I add hardness increaser? When the analysis confirms low calcium hardness, especially after fillings, water renewals or in areas with soft water.
• What dose should I use? The manufacturer's visible dosage indicates 15 g/m³ of water to raise calcium hardness by 10 ppm.
• Does it help lower calcium levels? No. This product increases calcium hardness. If you have excess limescale or scale buildup, you need a different treatment.
• Can I use it without measuring the water? It is not recommended. It is always best to measure beforehand to avoid overdosing.
• Where can I see other related products? You can find pool equipment and solutions at https://hidromaronline.com/categoria-producto/equipamiento-para-piscinas/

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Piscimar PM-622 TH Plus is a calcium hardness increaser recommended for pools with soft water or low calcium concentration. It helps balance the water, prevent problems arising from insufficient hardness, and improve the overall stability of the treatment. At https://www.hidromaronline.com , Hidromar Online offers products and advice for pool maintenance, with a warehouse in Talavera de la Reina.