Spa pH Decreaser

Keep your spa water properly balanced with HotTubKart Spa pH Decreaser. This specially formulated spa chemical helps lower high pH and Total Alkalinity levels, helping maintain balanced and comfortable spa water.

High pH levels can contribute to corrosion, scaling, staining and bather discomfort. Maintaining the recommended pH range helps support better water balance and spa maintenance.

Key Benefits

• Helps lower high pH levels
• Helps reduce Total Alkalinity
• Ideal for routine spa water balancing
• Helps address water conditions associated with scaling and staining
• Helps improve bather comfort
• Suitable for spas, hot tubs and Jacuzzis
• Easy-to-use granular formulation
• Suitable for all spas

Active Ingredient

Sodium Bisulphate – 1000 g/kg

Recommended pH Range

The ideal spa water pH level is 7.2–7.6. Always test your spa water before adding chemicals.

Dosage – Per 1,000 Litres

How to Use

1. Test your spa water using HotTubKart Spa Test Strips before adding the chemical.

2. Measure the required amount according to your water condition and spa volume.

3. Dissolve the product in a bucket of water.

4. With the spa pump running, distribute the solution evenly around the spa.

5. Avoid applying directly to the skimmer or metal fittings.

6. Apply the product when the spa is not in use.

Important Safety Information

• Keep out of reach of children.
• Read the safety directions before opening or using.
• Do not mix with other chemicals.
• Do not mix with different types of chlorinating chemicals.
• Mix with water only.
• Use clean containers for dispensing.
• Wear protective gloves and eye protection when handling.
• Wash hands after use.
• Store and transport upright.
• Keep the container closed and dry.

Storage & Disposal

Store in the original closed container in a cool, dry place away from children and direct sunlight. Do not allow the product to become damp. Follow the label's disposal instructions for the empty container.

First Aid

If swallowed, do not induce vomiting. Rinse the mouth with water and give a glass of water. For skin contact, remove contaminated clothing and wash the skin thoroughly for 10–20 minutes. If the product gets into the eyes, flush with water for at least 15 minutes and seek medical attention.

Product Details

Brand: HotTubKart
Product: Spa pH Decreaser
Size: 700g
Active Ingredient: Sodium Bisulphate
Suitable For: Spas, Hot Tubs, Jacuzzis and Swim Spas
Application: pH & Total Alkalinity Control
Suitable For: All Spas

Why Choose HotTubKart Spa pH Decreaser?

An easy solution for managing high pH and Total Alkalinity levels in your spa. Regular water testing and correct chemical dosing can help you maintain balanced spa water and a more comfortable soaking environment.

Works for all spas.