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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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Solutes
+1 for Tony's and David's comments. Reducing the concentration of organic solutes in water is very easy with activated carbon. This includes basically all agricultural pesticides. The First...

In GEAR » Water filter for herbicide/pesticide/fertilizer?
March 26, 9:24pm

Painting titanium
The grit on sandpaper is much harder than any titanium alloy of any temper. In my experience, sandpaper works great for roughing up titanium. I prefer to use my mini sandblaster airbrush because it...

In Make Your Own Gear » painting titanium
March 26, 8:25pm

Plastic Window
Nylon or polyester (mylar) films might be able to withstand the heat in your mid, depending on the spatial arrangement of things. Note that "hard" films like nylon or mylar will become cl...

In Make Your Own Gear » non-heat sensitive polycryo alternatives?
January 26, 7:28pm

Tick repellents
There's also IR3535. It's the active ingredient in a few repellents available in the US. Industry-sponsored research suggests that it is effective against blacklegged ticks.

In GEAR » Non-bear attracting, non-DEET bug repellent?
January 04, 2:19pm

Lead test
Yes, as Ian said, you can get LeadCheck swabs at a hardware store, but they start at $10, which is more than twice what you paid for your spoon. You could really easily make a spoon out of lead-...

In GEAR » Brass spoon?
December 19, 12:51pm

Precautions
I dunno, MB. I've never gotten sick from a toothbrush, so it isn't possible. Also, soaps contain fats, and I've heard that fats can give you heart disease. Further, I knew a guy who got...

In GEAR » Brass spoon?
December 18, 6:11pm

Arguments
It sounds like you're granting, circuitously, that brass is bactericidal and you can't get heavy metal poisoning from it. You can't get copper or zinc poisoning from using a brass s...

In GEAR » Brass spoon?
December 18, 5:14pm

Brass
Cameron, I think you should do a little more reading about survival of bacteria on copper alloy surfaces. There are quite a few papers about it now. Stainless steel does nothing to support bacteria...

In GEAR » Brass spoon?
December 18, 4:34pm

Data
I find it amazing that so many adults think it makes good sense to base an argument on the fact that they have personally never experienced the negative outcome in question. Three people in this sh...

In GEAR » Brass spoon?
December 18, 2:47pm

Bacteria
Ah. I wonder if we both made the mistake of assuming that the other was saying something too simplistic. I assumed that you didn't accept the importance of killing some kinds of bacteria, and m...

In GEAR » Brass spoon?
December 18, 1:08pm

All Reader Reviews by Colin Krusor

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