Comment by AStonesThrow

I had a recent adventure attempting to replenish my Food Grade 35% Hydrogen Peroxide.

Amazon wouldn't even ship the stuff here. I'm coming to realize that any truly potent or powerful substance is strictly off-limits in consumer spaces. Plenty of good reasons for that. But such things as pure isopropyl and pure H2O2 are so versatile and tantalizing to have on-hand, rather than household cleaners with proprietary formulas, as much dilution as possible, unique MSDS, and obnoxious fake fragrance.

I can walk down an entire aisle in the hardware store, chockablock with bottles of household cleaners, and they all amount to 2 or 3 active ingredients, endlessly remixed for credulous homemakers.