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I own a Katadyn Combi water filter. Carbon refill packets for it are expensive. There are many places to buy activated carbon in bulk relatively cheap. Physically it's a trivial matter to buy in bulk and use it in the filter but I'm wondering about the quality of the carbon, the form of the carbon and how suited it is for the filter or anything else I need to be aware of when buying carbon in bulk.

I think you might be in for more trouble than its worth. Activated carbon will come in a powder form, most likely. So then you'd have to open the filters, dump out the old stuff, and hope your system has enough pressure to push through that much carbon.

I would look into some heavy research on the fabrication of carbon filters before I tried to do something like that.

Its sort of like saying "gas is expensive, i think i'll just buy oil on the open market, and refine it at home to make the gasoline."

2008-10-23 21:38:58 by ckm

This is an overview of the katadyn vario water filter from store.prepared.pro Some specs from the prepared.pro website * The Vario combines ...

I have a Katadyn Vario water filter for backpacking and camping. It worked great last year, but I stored it and haven't used it since.

I never properly stored it, so now it's kind of gross. I want to clean it before using it again.

The instruction manual says to run two tbspns bleach (mixed with so much water) through it... is this to kill of other germs? What exactly is bleach? Am I using laundry bleach? That's kind of gross. Where can I buy bleach in such a small quantity (I never use the stuff) that I can take care of my water filter and any left over I can just use to disinfect the sink or something?

yes, this is laundry bleach. A bottle of bleach is $2.00 or less. It is great for cleaning all kinds of gross stuff, including your bathroom toilet.

2009-06-29 10:38:44 by cinders

Price: $89.95 $71.99

Produces up to two quarts per minute in the faster flow mode and one quart per minute in longer life mode
Replaceable carbon core keeps water tasting fresh; reduces chemicals, odors, and toxins throughout the life of the cartridge
A simple turn engages a ceramic pre-filter for long life in dirty water or a pleated glass fiber filter in normal conditions