To redeem an existing customer bonus code at [https://betfoxx-casino-uk.com](https://betfoxx-casino-uk.com/) online casinos, simply log into your playing account and visit the Promotions section. Here, you’ll find any unlocked promo codes tied to your profile. Copy and paste the bonus code in the correct field in the deposit stage and tap Claim. You can access other Betfair promos using free casino promo codes for existing customers in the UK. These include unique offers, like a daily free shot at the pinball prize jackpot. Betfair has some of the fairest bonus terms and conditions, which we outline in our review of Betfair casino, such as extended validity periods and minimal wagering requirements. A casino bonus code is a series of numbers and letters that needs to be added to the bonus code input bar when a player makes a deposit or signs up for a casino account. A valid code will reward a bonus to the account.