When I used the stamp and stuck into ink it was blotchy on the paper.
I am so sorry that you are experiencing an issue with your stamp. You shouldn't have a problem like what you're describing with Photopolymer stamps. Please contact us at customerservice@trinitystamps.com so we can assist you further.
I have had a few brush cleaners over the years. This one is so versatile as to types of brushes you can clean with it. We love it and highly recommend it.