Hi there! At pottery supply store selling a low fire, mid fire and high fire Clay, which one should I use to mix mortar by your recipe? Thanx by advance!
Which should I use - Low, Mid, or High Fire Clay?
You want to purchase the Mid or High Fire Clay…
Low Fire Clay - Very Porous / Not Waterproof
Mid Fire Clay - Excellent Bonding Properties / Waterproof
High Fire Clay - Excellent Bonding Properties / Waterproof