question about water being cloudy

Aug 6, 2017
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Hello, so this is my first time having a smaller tank, ive always had 20g and up but i wanted a smaller tank for my office, so i got a 5.5g tank about 2 weeks ago, i have 4 green tiger barbs, and a bottom feeder in it right now and there happy as ever, i have already talked to my local fish expert about it and he said that my tank is at my max, im ok with that. My question is do i already need to do a water change? the water is cloudy and i feel like i i should but im not sure.