Ok what is the difference between a siphon that is marketed for brew and a siphon that is marketed for something like fishtanks? There certainly is a price difference $20 vs $5.
http://www.ebay.com.au/itm/1-5M-Aquarium-Fish-Tank-Vacuum-Gravel-Cleaner-Water-Syphon-Siphon-Pump-Filter-/181235928705?pt=LH_DefaultDomain_15&hash=item2a3280ce81&_uhb=1
http://www.ebay.com.au/itm/1-5M-Aquarium-Fish-Tank-Vacuum-Gravel-Cleaner-Water-Syphon-Siphon-Pump-Filter-/181235928705?pt=LH_DefaultDomain_15&hash=item2a3280ce81&_uhb=1