polyfilter advice (no instructions)

[Tracy10]

hi,
i got some polyfilter today,but it had no instructions.Does anyone know where abouts in filter it needs to go?

And would it be best in juwel internal or tetratec external?


Thanks in advance
Tracy

[Mgamer20o0]

pollyfil? should go between the sponges and bio media. external filter would prob be best.

[Tracy10]

ok, Thank you.