Here are the prices from Brenntag here in Memphis Tn. KOH $1.44 lb and NaOH .48 a lb, I was going to switch to KOH but not with it being so much more of a price difference. If any one close to Memphis would like to split a order I would be glad to do that. There is a $200.00 min. order from them or about 416 Lbs of NaOH, It's takes about 5 monthe to use 400 Lbs. What use to kill me was the shipping. The NaOH comes in a 5 gal plastic bucket P.M. me