Hydrogen Peroxide sanitisers come in several strengths. We sell the lower strength sanitisers because they travel easier and present less hazard to our customers. The lower strength also work out cheaper per litre and per dosage as per the table below.
We stock Spa Protector which is 190g/L in strength and standard Poppits which is 150g/L in strength. How much you dose depends on the literage of your spa, the instructions are listed on the back of the container.