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Colin Krusor (ckrusor) - BPL Premium Member

My Locale Northwest US
About Me Colin Krusor has not added a biography yet.
CityPortland
StateOregon
CountryUS

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All Forum Posts by Colin Krusor

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Forum » Thread

Charges
"With this electrostatic filter, maybe this isn't an issue. Maybe the filter would trap the dye particles even though they're small. I think Tannin is very small also. It goes right...

In Editor's Roundtable » RapidPure Filters Review
September 27, 12:05pm

Tannin
Thanks, Roger. Karl, there are simple tests that can be done for waterborne pathogens, including viruses. For protozoan parasites like Crypto and Giardia, there are fluorescent surrogate partic...

In Editor's Roundtable » RapidPure Filters Review
September 26, 9:37pm

Capacity
I'm not fond of relying on my reckoning for determining whether the filter will remove pathogens. Organic anion concentrations vary over many orders of magnitude in environmental surface waters...

In Editor's Roundtable » RapidPure Filters Review
September 24, 5:54pm

Capacity
I disagree with your reasoning, Roger. I've spent the last four years as a graduate student doing waterborne pathogen lab and field research and I thought carefully about my question before I p...

In Editor's Roundtable » RapidPure Filters Review
September 24, 5:12pm

Capacity
I share Robert's interest in the life (capacity) of the RapidPure filters. Once particles in the source water have become electrostatically associated with the filter media, those sites on the ...

In Editor's Roundtable » RapidPure Filters Review
September 24, 4:04pm

HH calculations
Mitch, no "grains of salt" disclaimer can make hydrostatic head calculations appropriate for punctured cuben.

In GEAR » Cuben Ground = Sieve
September 21, 11:32am

Interpretation
I agree with Dan. That paper towel might have gotten wet with a five pound weight on top. And it might be that a weight would only be necessary for observation of leakage because it squeezes water ...

In GEAR » Cuben Ground = Sieve
September 19, 9:00pm

Cuben vs. "space blankets"
"As I read it, each is a BoPET, or Mylar (biaxially oriented PE) laminated to fibers--High Molecular Weight PE, in the case of Cuben. Aluminization involved for SBs. If you didn't care muc...

In Make Your Own Gear » How is Cuben mylar not-equal space blanket mylar?
September 17, 12:58pm

Body odor and individual variation
Justin said "Eric, maybe azns don't smell as bad as us Europeans ;) It is really interesting that some people have issues while others don't at all." Actually, this is true. P...

In GEAR » Synthetic Stink: Scientifically proven
September 12, 12:07pm

Merino
I would love to switch over to merino from synthetics. I tried it. I got a 150wt merino shirt and used it several times for hiking and running. I have never in my life been so overheated with so li...

In GEAR » Synthetic Stink: Scientifically proven
September 08, 10:31pm

All Reader Reviews by Colin Krusor

Colin Krusor has posted no reviews.