Azaezl
Fishaholic
Ok this may be really stupid of me but what does everyone calculate their water volume by US or UK gallons? I've been doing mine by UK gallons but I've noticed alot of people seem to do it by US, so just wondered which is the one that people generally use, esp. when it comes to the inch per gallon rule? Because if it is UK my largest tank is 55 gallons if it's US then it's approx. 65 gallons which means I'd have an extra 10 inches of fish space, I wouldn't be adding anymore but it's just so I know.