17$ home hardware
Aquarium or hydroponics much cheaper...7$ a pound
None of these stores carry KNO3 in any form but liquid or gel. Useless...
None of these stores carry KNO3 in any form but liquid or gel. Useless...
Home hardware does
No it does not. It has been discontinued for at least 20 years now, at least here in Ontario. If you have a link to an actual product that HH lists as 'Stump Remover' in crystal form please post it, other vise stop spreading disinformation.
Maybe there is a slight chance that some stores somewhere rural still may have some on the shelf but that is a lot of driving around to find out.