Silver nitrate

Silver nitrate - 9% solution produced using our ultra pure 99.99+ % silver nitrate crystals and pure water

Due to the volatile nature of precious metal prices we hold the price paid for each amount of stock we buy, prices may go up as well as down when it comes to listing the next batch

Pack of Universal indication paper strips, PH range 0-14.

80 test strips per pack. With colour chart

Tincture of Iodine - 5% 

Adding iodine to your salted collodion can be done to increase contrast, especially with old workhorse collodion. A couple of drops per 100ml of collodion also allows you to use very fresh collodion in a matter of days instead of waiting for weeks for it to ripen.