Our filter socks are made to fit into a sock holder in a sump. They will not work in the Tetra ex 70. They have a hard plastic ring around the top of the sock. These filter socks are not a good choice to hold purigen.
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Will these work with purigen and will they fit the cartrudge holder in the tetra ex 70 or will a diifent size be needed?
Mesh Bags
Will these work with purigen and will they fit the cartrudge holder in the tetra ex 70 or will a diifent size be needed?
Last updated on 03 Nov, 2025