Can you believe someone in the US is hand making wooden airstones?

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  1. Avatar Derek says:

    And then there were the ultimate air pumps: the piston driven “holy grail” ones.
    When I started in the hobby in the early 1970s, the air pump drove everything; under gravel filters, protein skimmers, huge ugly internal box filters, clamshells opening periodically to emit a large eructation-like single bubble of no value whatsoever….

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