5.2 pH Stabilizer
5 Star Chemical's 5.2pH Stabilizer is a proprietary blend of food grade buffering phosphates that will lock in your mash and kettle water at a pH of 5.2 regardless of the starting pH of your water. It will not add any flavours to your mash water. 5.2 optimises the enzymatic activity of your malt, helps to clarify the wort, and may even help to raise your starting gravities. Other benefits of using 5.2 in the boil may include more consistent hop usage and may also keep hard water salts in solution which will result in less scaling in your heat exchangers, fermenters, and kegs.
Directions for Use:
Use 1 tablespoon per 5 gallons (19 litres) of water.
How to Brew like a Pro! Introduction to Water pH
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6 months ago i thought why would I bother playing with my water? Yet here we are, I bought 5.2pH stablizer to see if controlling my pH made a difference. I'm now 4 brews in and controlling the pH has helped me make a smoother easier drinking beer. I cant measure any increase utilization of malt or hops but the beer is improved and better to drink and really that's what counts.
Does 5.2pH stablizer do what it says on the box?
That I'm not sure because my cheap pH meter has not shown a 5.2 reading on any of my beers (my disclaimer - cheap pH meter). It has definitely reduced my pH from 7.2 tap water to around 5.6 in the mash. Previously I was 6 plus on the mash pH. In my view it definitely reduced my pH. I've increased the dosage rate and that seems to have made a difference. I've not discerned a flavour change so the product seems to be pretty neutral.
Would I buy it again?
Yes - but when I runs out, I'm going to give phosphoric acid a go. Why? because slowly slowly catch the monkey. I'm sure the acid route is more complicated and will require adjustment on the fly during mash. The thing is 5.2pH stablizer is SUPER easy to use and I think its improved my beer. If you're on the water journey give it ago. If the acid approach is a pain in the A i'll buy another tub in a heart beat.
Brewers continue experimenting and above all have fun, share your beer and enjoy