April 2, 201214 yr I've been reading that some guys use boric acid as a welding flux or as part of a flux mix. I needed to edit my info, after a little research I realized I mispoke. The wood preservative I spoke of originally isn't the same. I'm glad I caught it in time.
April 2, 201214 yr Are you telling, or asking? If you want smaller quantities, several common roach poisons are 98%-99%% boric acid (and 1%-2% "inert ingredients"). Roach Prufe and Hot Shot Roach Killing Powder are two examples. You can buy them just about anywhere, and they're cheap.
April 2, 201214 yr Look up synonyms for "boric acid" there are about a dozen (at least it seems that way) then look at the roach powders. Make sure about what you are buying. Phil
April 5, 201214 yr I get my boric acid for $5 a quart at the local pharmacy. It comes in a powder as a burn remedy. Suits me just fine, as I wash my hands with it at the end of the day. If it's good for burns then it's good for me!
April 6, 201214 yr www.rosemill.com In ct. Has boric acid technical grade in 5 10 and 15 pound containers for 23.50 to 64.00 USD plus shipping. Cheaper if you go and pick it up. I have emailed them, they seem like good folks, but never actually needed 5lbs or more of boric acid at once. I use EZ weld, until it runs out, then Ill go to borax that I use for laundry. Best of luck, Cliff
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