Ox Gall Liquid is a wetting agent which is used to improve flow when mixed directly with watercolours. It can also be used on very hard sized papers to reduce surface tension. Add 3-4 drops per cup of water.
Wetting agent used to improve the acceptance of water colours on papers etc.
Available in 75ml bottle.
Based on 8 reviews
If you’ve used this product, share your thoughts with other customers
Write a reviewInexpensive and fun to use.
Just great
Juries out on this,still trying it