I dont know how you woudl fix that on? I am really rubbish with diy - if I had all the bits and bobs put infront of me I am fine but cant use my iniative to go and buy things by an idea I have thought of myself
They are simply held in place with a screwI've enclosed a link for the type i'm on about but these are only 1" clips but you should be able to get larger ones to match the size of the bottles you have. I would think you should be able to get some from a DIY store.
Heres the link so you know what i'm on about
http://cgi.ebay.co.uk/VIVARIUM-rept...hash=item220257503550&_trksid=p3286.m14.l1318