ive used it for 12 years now...love the smell when open the loft in the morning,,,a good tip for you m8,,,took me 4 years before i realised..i was putting it in plasic containers before but it was drying up in a couple of days or so,,,thats in cotton wool...so one day the misses bought me 2 salt and pepper pots...steel ones...i put some contton wool in then poored it over it,,,it lasted a couple of months before it dry up...jmo..when fresh the birds was sneezing..this i like to see and hear cos its clearing there wattles...jmo thou..