Has anyone tried this or something similar? I have a 7g acrylic hex tank I want to use for an ATO.
https://l.facebook.com/l.php?u=http...uM6qzvgiBUNrgSAQ2b3iuaEXzUhMKAs74KDffsc2HHcqb
https://l.facebook.com/l.php?u=http...uM6qzvgiBUNrgSAQ2b3iuaEXzUhMKAs74KDffsc2HHcqb