There has been a lot of discussion of both smoke fluids and smoke machines in Ireland and in America lately.
For my own part, given the difficulties of using smoke in many venues and the unreliability of the machines and the fluids, I don't really bother that much anymore.
Those people that are using smoke a lot seem to have settled on using Martin machines.
What is the quality of this stuff like? What is the odour from it like?
In the UK, are you having a lot of problems with the budget machines not working?
If you take a look at the threads on ProDJ you will see a lot of mention of this also.
Is a lot of this down to the fluids, as Martin and Le Maitre would claim?
To be fair to them if you run either Martin or Le Maitre machines on Martin smoke fluid, they DO seem to last longer.
In my own mind, I would have said that GBP10/EUR15 per 5L is a reasonable DJ price for generic smoke fluid.
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Thomann Smoke Fluid Page