CTX

You should use a chemical descaler specifically formulated for synthetic surfaces, such as CTX-53, instead of universal construction descalers. Traditional concrete cleaners such as CTX-51 contain acid concentrations that discolor and weaken the liner’s polyvinyl chloride.

To remove calcium carbonate deposits without damaging the surface, follow these guidelines:

• Apply the diluted product to the empty walls or directly to the waterline, according to the manufacturer’s specifications.
• Leave the compound to work for 5 to 10 minutes, visually monitoring the reaction.
• Rinse thoroughly with pressurized water to neutralize any acidic residue.
• Monitor the water’s calcium hardness and keep it close to 175 ppm to prevent further limescale deposits.

This method ensures limescale removal while preserving the original elasticity of plastic materials.

The standard dosage of granular CTX-10 is 1.2 kg of product per 100 m³ of water to lower the pH by 0.2 units. The water’s optimal pH should always be between 7.2 and 7.6 to ensure disinfectant effectiveness and prevent skin irritation.

First dissolve the pH reducer in a bucket of water before pouring it evenly around the pool perimeter while the filtration system is running. Keep the recirculation system running for at least 4 hours before taking a new reading.

You need to immediately apply a pH increaser such as CTX-15 to raise the water’s acidity above 7.2. A pH level below this threshold makes the water aggressive, causing accelerated corrosion of metal ladders, lights, and heat exchangers, as well as eye irritation for swimmers.

Apply the treatment by adding 1.5 kg of CTX-15 per 100 m³ of water to raise the pH by 0.2 units. Pour the prediluted mixture in front of the return jets to ensure rapid mixing. Also correct the total alkalinity if the readings fluctuate constantly, ensuring a balanced saturation index throughout the pool system in 2026.

The key technical difference lies in the acidic composition and compatibility with the pool’s physical surface. While CTX-51 is a powerful descaling cleaner formulated exclusively for tile and concrete pool surfaces, CTX-53 is developed with corrosion inhibitors specifically for cleaning polyester, fiberglass, and liners without discoloring or dissolving the resins.

Using CTX-51 in liner pools causes the plastic fabric to become brittle immediately and lose its watertightness. By contrast, the CTX-53 formula removes limescale deposits and embedded algae while leaving the protective polymer film and sealing joints intact.

You can apply CTX-75 degreaser directly to the edges without draining the pool. This technical detergent is formulated to dissolve rings of organic matter and accumulated sunscreen at the water-air interface without altering the biological balance or creating persistent surface foam.

For a quick, deep clean, follow these steps:

• Lower the water level slightly, by 3 to 5 centimeters, to expose the stained area.
• Apply undiluted CTX-75 to a sponge or brush suitable for the surface.
• Scrub vigorously over the affected perimeter band.
• Leave it to work for 2 minutes, then rinse by wiping with a cloth dampened with water from the pool.

The treatment prevents oils from permanently adhering to the skimmers and enables clean suction through the pumping system.

Using CTX-22 is essential when the fill water has a calcium hardness below 175 ppm. It prevents the water from becoming corrosive and trying to absorb calcium by dissolving the tile grout or pool-shell mortar. Keeping this parameter at the correct level prevents pitting in the metal components of the filtration system and extends the service life of submerged materials.

Adding 1.5 kg of CTX-22 per 100 m³ increases hardness by approximately 10 ppm. Make this adjustment at the start of the swimming season or after significant amounts of soft rainwater have been added.

CTX chemical products are shipped in accordance with the freight transport and safety protocols required for water-treatment substances. Each jerrycan and bucket has a sealed security seal and reinforced packaging that protects the components from mechanical impacts during transit.

If you receive a package showing signs of moisture or external damage, note the damage on the carrier’s delivery receipt and contact piscinasyproductos.com customer service to arrange an immediate technical replacement in accordance with the official commercial terms in force in 2026.