pH – Decreasing your pH 1L

Only £8.00


Pour PH- into your swimming pool or hot tub to decrease the pH of your water!

🌍 globe showing Europe-Africa Emoji on Google Platform Ensure your water is at pH7.4 for the best quality water and experience

🌍 globe showing Europe-Africa Emoji on Google Platform Add 10ml per m3 of your water to decrease your pH by 0.1

💧 droplet Emoji on Google PlatformSimply pour directly into your water (10ml per 1000 Litres)





Can be used in:

Hot tub, swimming pool, jacuzzi and all types of swimming water. 

How to use:

Use this formula to decrease the pH of your water.

If above 7.8 correct water to PH 7.4 , test using your water sticks.  

Pour directly into water, 10ml per m3 of water will decrease pH by 0.1 and wait 1 hour to dilute. 

A balanced pH is essential for clean clear water as pH 7.4 is the same as our eyes! 


m3 of water is 1000 Litres. 

It is important to regularly test the pH of your water as it helps keep your water cleaner for longer. 

This is a concentrated formula so please pour and use with caution, using gloves and eye protection. 

Your 1000ml of pH- is contained within a sealed recyclable HDPE bottle.

Powerful Ingredients:

Sulfuric Acid 


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