You can buy it at any Chemist/pharmacy/drug store......its called Salt Petre
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**So long, and thanks for all the fish!**



"Graham Broadbridge" wrote in message
u...
Anyone out there have a source?

The plant nursury I used before no longer stocks KNO3, and I can only find
laboratory suppliers who want me to pay $50 for 500g.


Ta,
Graham.