BeerLab Home Brew Supplies

Calcium Carbonate CaCO3

Sold in 100 g sachets

Also known as Chalk

Calcium Carbonate is used to increases pH

1 gram per 3.8L adds 106 ppm calcium, 158 ppm carbonate.

Most effective when added directly to the mash. 

Great for dark beers in areas with soft water. 


We have moved!

BeerLab supplies quality beer ingredients and brewing equipment -- We're passionate about the art and science of brewing.

We Ship Nationwide!


Mon to Thurs: 9:30 am to 5pm
Friday: 9:30 - 4:30 pm Saturday: 10am to 12:30pm Public Holidays: Closed
Closed: 24 Dec - 5 Jan
Re-Open: 6 Jan

Last day shipping: 18 Dec
Our sister company CheeseLab

Latest Tweets