I see everyone with the big blue barrels for water mixing. Im assuming these have to be for potable drinking water, as im giving my fish water that better thn what i drink 
Couple questions-
Is there a local supplier for these?
and 2)
Is food grade the same as for potable use?
Thanks,
Skybird

Couple questions-
Is there a local supplier for these?
and 2)
Is food grade the same as for potable use?
Thanks,
Skybird