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Making Filter Cartridges, Have a Media Question

4K views 10 replies 6 participants last post by  TheSingingTechie 
I would avoid a metal frame if possible.
Any corrosion will leach metals into the water which may harm your fish.
i would look at plastic or acrylic myself.
What type of filter are you making your cartridge for?
Really good point :thumbsup:
 
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