Fermentation lids being plastic lids for mason jars; Airlock lids being plastic lids for mason jars; Plastic lids; Fermenting kits comprising components, namely, airlock lids being plastic lids for mason jars, and also including oxygen extraction vacuum pump, adapted for use with mason jars for use in fermenting foods; Fermenting kits comprising components, namely, airlock lids being plastic lids for mason jars, and also including oxygen extraction vacuum pump, glass weights, and vegetable ta...