I am guessing that is a 6' tank, if you combine a 1050, with the return pump, you're maybe at 10x turnover. It looks like you have some SPS in there, I have found that the more flow I add, the happier the corals are for the most part, if everything looks good after a few weeks, you might be set, but personally, I would be looking closer to having 5-7000 GPH for total flow. All of us have different things that work for us, just some food for thought. :)