Description
Bring high spa pH down for more comfortable water
ProTeam Spa pH Decreaser is a fast-dissolving treatment for reducing high pH in spa and hot tub water. Keeping pH in the ideal range helps support water comfort and protect your spa and equipment. It is compatible with all sanitizers and oxidizing systems.
This 24 oz bottle suits spa owners who need a pH decreaser for hot tub water care. Use the stated dose for the specified pH range, then retest and follow the container label.
Support comfortable spa water
High pH can make spa water uncomfortable. ProTeam Spa pH Decreaser helps lower high pH so water can feel more comfortable for hot tub users.
Help protect your spa and equipment
High pH can contribute to scale formation. Keeping pH in the ideal range helps protect spa equipment and supports better-performing spa water care.
Fast-dissolving and broadly compatible
This dry pH decreaser dissolves quickly and is compatible with all sanitizers and oxidizing systems.
Follow the stated dose and retest
For pH above 7.7 but below 8.0, the product directions specify 1/4 ounce (2 teaspoons) per 500 gallons of water. Add it while the water is circulating, wait 30 minutes, and test again. Follow your container label for other conditions.
Key Features and Benefits
- Fast dissolvingDissolves quickly when added to circulating spa water.
- Lowers high pHHelps bring high spa pH down when used as directed.
- Water comfortHelps support more comfortable water for spa users.
- Equipment careHelps protect the spa and its equipment.
- Scale-conscious careAddresses high pH, which can lead to scale formation.
- Sanitizer compatibleCompatible with all sanitizers and oxidizing systems.
Product Details
| Product Detail | Information |
|---|---|
| Brand | ProTeam® |
| Product Name | Spa pH Decreaser for Hot Tubs |
| Size | 1.5 lb (24 oz) |
| Manufacturer Part Number | C003942-CS20B1 |
| UPC | 726375528689 |
| For Use In | Spas and hot tubs |
| Product Type | pH decreaser |
| Form | Dry; fast dissolving |
| Active Ingredient(s) | Not specified in reviewed product details |
| Dosage | When pH is above 7.7 but below 8.0: add 1/4 ounce (2 teaspoons) per 500 gallons. Retest after 30 minutes; repeat if pH remains high. |
| Treats/Coverage | Reduces high spa pH. Coverage beyond the stated dose is Not specified in reviewed product details. |
| Wait to Use | Not specified in reviewed product details |
| Compatible With | All sanitizers and oxidizing systems |
| Storage | Store locked up. |
| Hazard | Danger. Causes severe skin burns and eye damage; causes serious eye damage. |
| Shipping Class | Not specified in reviewed product details |
| Shipping Weight | About 1.8 lb |
How to Use
- Check pH: Test the spa water. The provided dose applies when pH is above 7.7 but below 8.0.
- Keep water circulating: Make sure the spa water is circulating during application.
- Measure the dose: Add 1/4 ounce (2 teaspoons) for every 500 gallons of water.
- Add to the spa: Apply the product to the spa while the water is circulating.
- Wait and retest: Wait 30 minutes, then test the water.
- Repeat if needed: If pH remains high, repeat the treatment as directed.
Important Compatibility and Safety Notes
Compatibility and use notes
ProTeam Spa pH Decreaser is compatible with all sanitizers and oxidizing systems. The directions provided specify application while spa water is circulating. Do not mix this product with other chemicals; follow the full container label for handling and application instructions.
Safety First
Danger: this product can cause severe skin burns and eye damage. Avoid breathing dust and wear protective gloves, protective clothing, and eye and face protection. Store locked up. If exposed, follow the first-aid instructions on the container and seek immediate medical help when directed. Do not mix with other chemicals. Keep out of reach of children and pets, and always read and follow the full label directions and precautions on your container.
Why Choose ProTeam Spa pH Decreaser?
ProTeam Spa pH Decreaser is a fast-dissolving option for lowering high pH in spa water. Its stated compatibility with all sanitizers and oxidizing systems makes it a straightforward addition to hot tub water care.
Ideal For
- Hot tub owners testing pH above 7.7 but below 8.0
- Spa users looking to support water comfort
- Owners seeking to help protect spa equipment from high-pH-related scale formation
- Spa care routines using sanitizers or oxidizing systems
Frequently Asked Questions
What does ProTeam Spa pH Decreaser do?
It helps lower high pH in spa water. High pH can make water uncomfortable and lead to scale formation.
How much should I use?
For pH above 7.7 but below 8.0, add 1/4 ounce (2 teaspoons) per 500 gallons of water. Follow your container label for other conditions.
When should I retest the water?
Wait 30 minutes after application, then test. If pH remains high, repeat the treatment as directed.
Should the spa water be circulating during application?
Yes. Apply the product while the spa water is circulating.
Is it compatible with spa sanitizers?
ProTeam states that it is compatible with all sanitizers and oxidizing systems.
What size is available?
The listed size is a 24 oz bottle.
What is the active ingredient?
Not specified in reviewed product details.
What protective equipment should I use?
The safety information calls for protective gloves, protective clothing, and eye and face protection. Avoid breathing dust and follow the container precautions.

