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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

Katadyn Hiker Pro Water Filter Demo for Backpacker Magazine

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: $79.95 $65.03

Compact design and easy operation--fits in any backpack or travel bag
Allows direct attachment to drink tube (1/4" ID) of hydration
Convenient filter for 1 to 2 persons while hiking or camping

First time using Yahoo Answers, so I posted this twice in hopes someone would see it:

What water purifier should I buy? I need to buy a water purifier for use on camping trips (usually 1-2 weeks) in the Canadian Wilderness. The water is never polluted, but sometimes muddy/cloudy. Usually have 2 or 3 other people with me, so need to get about 10 litres a day. I'm looking for something I will have to buy only once, so money is not a consideration: 1.) What brand and model would you suggest? Please include details such as whether chemicals are needed / pros and cons / what kind of filter you'd suggest, etc.... 2.) Are Katadyn and PUR the same brand? Can you still find replacement stuff for PUR filters/purifiers? 3.) Do I need a purifier or just a filter to have safe drinking water in north Candian rivers, lakes where the only pollutants would be the occasional motor boat (such as Algonquin Park)? Thanks....I'm getting desperate for info!!!!

PUR was purchased by Katadyn who continue produce the award winning and very popular Hiker model, now called the Katadyn Hiker. The replacement filters still work on the old PUR Hiker. I know because that's what I've used exclusively for the last ten years and have never had any reason to change. Right now I have a new replacement filter in my old Hiker, so I know it works.

Unless you're in a third world country where there's a chance of viruses in the water, you don't need a purifier. Here in the Sierras we just use filters so I would imagine that Canada would be just as clean.

2007-01-20 22:41:23 by The Smuggler

Price: $89.95 $72.40

A simple turn engages a ceramic pre-filter for long life in dirty water or a pleated glass fiber filter in normal conditions
Dual piston technology provides maximum output with minimum effort
Replaceable carbon core keeps water tasting fresh; reduces chemicals, odors, and toxins throughout the life of the cartridge