dont know if any of you have seen my recent build thread... but i have been having trouble deciding what to use for a sump. i dont know if i should build another plywood box or what. i have been trying to find a 70-90 gallon tank but all the glass tanks i come across are tempered and i cannot drill any holes in them. acrylic would be the way to go i thought but trying to find an affordable acrylic tank for a sump has proven easier said than done for me. i want to be able to drill a hole in my sump because on my larger tanks i have freshwater running to them constantly, in doing this you need a way for old water to escape the system. help me out, need some outside veiws. thanks.. oh yea the new tank is an estimated 363 gallons
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