Waterdrop WD-K19-H RO water filter (Ebley GL5)

https://www.amazon.co.uk/dp/B0FG7LTYND and https://www.amazon.co.uk/dp/B0B2897DFT

When it needs emptying and filling, after about a minute the pump runs for about a second then another minute then the pump runs ... stops when the tank is emptied and filled. I think that's a defect so returned one but the new one's the same. The supplier refunded and wrote "Please consider it yours to dispose of as you see fit". That's what I'm doing now.

Fair Chance Policy: I’ll wait before choosing a recipient to give more people a chance to reply.