This will allow any chlorine in the water to break down, because chlorine will kill the beneficial bacteria in the compost tea. [substeps] You don't have to aerate the water if you're using well water or another water source that doesn't contain chlorine.
[header] How to make a compost tea [title] Dechlorinate your tap water. [step] You'll need around 3 gallons (11 l) of water to make the tea. Let the water sit out in the sun and fresh air for several hours.