Star san mix ?

[trickybrew]

Hi all
can someone please tell me the no rinse mix of 1/2 oz star san to water, UK gallons or liters please : .
Thanks Trickbrew

 

[Aleman]

can someone please tell me the no rinse mix of 1/2 oz star san to water, UK gallons or litres please

1.6mls per UK litre of water. Ideally with low mineral content, or use an acid (phosphoric) to reduce the pH of the water to under 3.0

 

[trickybrew]

Ok thanks for that, can you please tell me wy reduce the pH of the water to under 3.0, and not just use water from the tap.
Thanks Tricktbrew