Re: Water + ethanol/isopropyl
If you vent the tank externally, I can't see there are any undue risks.
As far as I know, the wetted parts of HFS-3 is methanol/ethanol resistant. For long term usage, it will deteriorate. This will apply to any pump.This advice is given to us by Aquatec USA- our pump maker.
50:50 is much kinder. What other chemicals are in the methylated spriit? I am referring to the that ~1% denaturants.
__________________
Richard L
aquamist technical support
|