Tis a question full of opinions and little evidence based on research.
Beckett, Venturi, Downdraft, spray injection. All work fine.
Mak 4, Mag 5, mag 24, Tornado 1 000 000. Depends on the skimmer size and style.
Sorry I can't answer your question better.
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No matter what the morrow brings, inventors keep inventing things.
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Jonathan
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www.cakerybakery.ca
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