i dont need 100% pure water but i just want soft water for my rams so that i can breed them. is it okay to buy a cheap RO unit for like £40 -£60. alot of people say you should buy a £100 RO/DI unit but never tell me why its better than the cheaper ones. i was looking to buy either this -...

Hello all! I have been perusing this forum for quite some time! I just was wondering how functional cutting a 55 gallon barrel in half would be for a tank. You can get a plastic one for like 6 bucks. If you cut it length wise and hung your lights do you think this could work? Thanks a lot, Sam