Broken Venturi

[howman]

Hi
I broke the venturi's on the volutes of my CS12-2 pumps.....I drilled the volutes so the silicone tube can go inside.....the pumps are drawing air but the bubbles are large...any suggestions...do i need to purchase new volutes?

thanks
HM

[EuroReef Tec1]

Howman,
I would buy new volute/venturi combos. Part# 40523