[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. 
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.