Quote:
Originally Posted by Claudia
I think i would like to have a sump under the main tank instead, as i have been looking online and this hang ons dont have much space if i want to hide stuff in it like reactor, heater etc
I have seen that u dont even need to drill? u can just add the pipes and put everything on the back?
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Yes but then you need an overflow box and you run the risk of a flood (like previously mentioned). It is best to drill holes and add a sump or upgrade to a tank the is already drilled and start again.