Assertion: aquarium's litre | /r/HasProperty | 572,000 imp gal
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Source sentences:
text: Over 6,000 animals are housed in the oceanarium which contains 2.6 million litres (572,000 imp gal, 687,000 U.S. gal)[citation needed] of water pumped from Darling Harbour, filtered and heated before it flows into the Oceanarium and adjoining display tanks.