CTX-10 Solid pH Minus (pH Reducer) – BLACK FRIDAY 2026

The pool water pH should be maintained between 7.2 and 7.6 and checked daily using a pH test kit.

Dosage

1.5 kg per 100 m³ of water to reduce the pH by 0.2 units.

When no swimmers are present, dissolve the required amount of product in a container of water and distribute the solution evenly over the pool surface.

Packaging: 1.5 kg

Please note that the 1.5 kg packs are shipped in a transparent food-grade bag without a label.

Product Features

A granular pH reducer designed to adjust pool water pH to between 7.2 and 7.6 when it rises above 7.6.

Suitable for: All types of swimming pools.

Benefits

Maintaining the correct pH helps prevent the following problems caused by water imbalance:

• Skin and eye irritation in swimmers.
• Corrosion of metal pool components.
• Excessive disinfectant consumption.
• Reduced disinfection effectiveness.
• Cloudy water.
• Irritation of the eyes and mucous membranes.
• Damage to the skin’s natural protective barrier.
• Calcium precipitation and limescale formation.

Instructions for Use

With no swimmers in the pool, dissolve the required dose in a container of water.

Dosage reference: 1.5 kg of product reduces the pH of 100 m³ of water by 0.2 units.

Distribute the solution evenly over the pool surface.

The water pH should remain between 7.2 and 7.6 and must be checked daily using a pH test kit.

Downloads and Safety Documentation

• Download Manual (Spanish)
• Download Manual (English)
• Safety Data Sheet (English)
• Safety Data Sheet (Spanish)
• Technical Data Sheet (English)
• Technical Data Sheet (Spanish)