Three Letters Re: Clarification on Calcium Hypochlorite for Water Purification

Jim, It has been almost 20 years since I had a chemistry class, so you may want to check this with a chemist. Wanderer posted the following comment: “I stopped at the local Big Box lumber yard and they had Calcium Hypochlorite, (a.k.a. Pool Shock) it was concerning as it states 50% Calcium Hypochlorite and 50% Other Ingredients. Making it a 50% available Chlorine. In common language, … is this adequate? It does not seem to be of the 70% goal you mentioned on your earlier post.” He was referring to the EPA web site comment: “… since the calcium …




Letter Re: Storing Ethanol Blend Gasoline?

Jim, Here in the DC area the gasoline supplies are by law blended with (I think) 15% ethanol. I’m familiar with the requirements for storing standard gasoline, but have no idea if the ethanol blend poses any problems for long term storage. Do you have any advice or knowledge that you can share with your readers on this? – Shawnee JWR Replies: Sorry, but that goes beyond my expertise. Perhaps some of the blog readers would care to comment.




Letter Re: “Ural” Russian Motorcycles with Sidecars

Jim, I saw a great motorcycle here in North Idaho that I thought would be of interest to the readers of SurvivalBlog. I spotted a fellow gassing up a motorcycle with a sidecar and I decided to take a quick look. It looked like an excellent restored WW2 era motorcycle, something that conjured up thoughts of Steve McQueen in the movie ‘The Great Escape‘. I found out though that this bike was in fact brand new, a Russian copy of the German BMW motorcycle–www.imz-ural.com for lots of info. The paint scheme was Camouflage and the [Ural Patrol model’s] very handy …




Odds ‘n Sods:

Petromax Lanterns: This gent on The FALFiles is selling the genuine article–originally from German Bundeswehr surplus.    o o o SurvivalBlog reader J.E. mentioned: “I ran across this link via a productivity site: Free e-textbooks for a myriad of subjects, at http://www.textbookrevolution.org/ Very useful, with of course the standard disclaimer about not depending on electronic documents being accessible in a ‘situation’.” #1 Son adds: Our readers that have home-schooled kids may find this useful as well.    o o o Jim K. forwarded this link to a site with some interesting photos of improvised up-armored civilian “contractor” vehicles in Iraq. …