180 upgrade

Well went ahead and changed sand bed out as it was driving me crazy. I really don't like the look of crushed coral I thought it would stay nice and white but tends to purple up. So here are some photos before
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Here some some after I vacuumed the sand out.
I did a 75 gallon water change a long take the sand bed out. Phosphate are at 0.00 with hanna checker before I pulled the sand bed out. I will check them again after.
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