Relax pH Minus 1.5kg for Hot Tubs

by Relax
  • Relax Spa Hot Tub pH Minus 1.5kg
  • Rapid Dissolving Dry Acid
  • Used to Reduce pH levels in your Hot Tub
  • Fast Next Working Day Delivery

DELIVERY: Relax Spa pH minus 1.5kg will normally take between 1-3 days, but please allow 5 working days in some extreme cases.

RETURNS: Relax pH minus can be returned to us, in compliance with the Consumer Contracts Regulations, unused and in their original packaging, suitable for resale, within 14 days from date of delivery. Returns should always be sent via "Signed For" carrier or postal service.


When a return is received back into our warehouse our returns department confirm that everything is present and that the item is in its original condition, to make sure it is eligible for a refund. We will process the refund normally on the same day we take them in, but please allow up to a maximum of 14 working days for the money to reach your bank or credit card. It is unlikely to take this long but due to reasons such as bank delays or errors, this may occasionally occur.


Relax Spa pH Minus comes in a 1.5kg container and is used when the pH level in your hot tub / spa is above 7.6. When the pH level is too high you can get cloudy water and scaling of surfaces and pipework. A high pH also reduces the effectiveness of chlorine in your spa.

 It is important to check the correct pH balance at lease twice a week to maintain correct pH levels and more frequently if the spa is in being used more. Please refer to the instructions on the container for use but as an example you would need to add  approx 11g per 1000 liters