Never buy from Spar again

I bought the Spar brand vanilla custard on Sunday morning at Spar birchgate and it has a terrible ink like taste. Unfortunately I've already thrown the receipt away but obviously there's other ways to prove purchase. Furthermore, its Spar branded so obviously no other store would sell it. I sent a Twitter inbox to them on the same day and no one bothered to respond, they just continued to post as usual. Ride and disgusting