pump size for Fishmate 8w?

[maxillosus]

just wondering what the suggested pump is for the fishmate8w. i hear you can overflow the chambers if theres to much flow. I have a mag5 is this too much?

 

[guppy]

Hiya Maxillosus, welcome to MFK.
Sorry but I have never used a fishmate8w, I don't even know what it is.

 

[maxillosus]

its an external filter with an 8 watt uv sterilizer inside.