Payment

Hello,
So apparently I pay in advance a payment of £62, but I get emails saying I’ve used certain amount of money, for example £42 so my account is £20 in credit, so why does £62 pounds still get take on is my account is in credit?
Please help me understand
Thankyou.

Hello, So apparently I pay in advance a payment of £62, but I get emails saying I've used certain amount of money, for example £42 so my account is £20 in credit, so why does £62 pounds still get take on is my account is in credit? Please help me understand Thankyou.

The answer is in this Bulb article: https://help.bulb.co.uk/hc/en-us/articles/115003405632-How-do-Bulb-payments-and-statements-work-