I have a 1/20th HP chiller so it is half that power. It is a Hailea. I have about 150 litres circulating in a RDWC system in a 4’ x 4’ tent. It has a 600W HPS and although i have no plants in it yet i can tell the chiller is not going to have a problem at all. You will be fine with 1/10th.
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