Absolutely fuming ....I am one of the customers with the cat pee walls ...i took the remains of the tin back to b and q ..who advised me to contact customer services ..which i did ..even though i have the tin in front of me and they are the sole commercial outlet for the store ..its not apparently enough proof ...they advised i need to purchase an alkaline solution ..which they will not reimburse me with as i do not have proof of purchase only the tin and photos of wall and a clear label saying b and q chard ...i found customer service agent rude will be boycotting the store and encouraging my other trade fellows to do the same ...