Scaffolding pipe aquarium stand.
Perhaps it makes sense for the 420 gallon tank he is using this for, but using scaffolding for smaller builds doesn't make much sense. On smaller builds I think that the size of piping used here would be extremely distracting. If you were to scale the concept down using iron pipe the cost is prohibitive since you could usually buy a stand for around the same price that you could build it for.
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