can i use this kind of carbon in reef tank since other brands are much more expensive
If you get flow thru it it'll work. Rinse it good. Good luck!
For aquarium water? It looks like an RO/DI carbon cartridge, and if so, it will clog very rapidly and be near useless.
I thought he was just using the contents. Maybe a cheap ice maker/refrigerator filter. Hard to believe it's cheaper.
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