Your tank could have been much better healed if you rip clean it weeks ago, it's still injured due to delay
It's the best fix for any nano
If you want to save what's left, do this
Your tank isn't healthy until you do this because that clouding you see is literally harmful:
Any opinions on what type of algae this is growing on my rocks and sand bed?
www.reef2reef.com
If you intently study that, we can apply it right now today, and by tomorrow your tank is fixed
Study every example, look how their tanks turned out 24 hours after, sparkly clean, look at their one year updates
I want to be clear: delaying is obviously harming your nano, let go of old incorrect cycling fears and apply a rip clean today with me live time here. If you rinse the sand 100% clean like those top six examples did we can add you as a work thread example. That's the best of the best rip cleans... nothing else can save your reef.
Partial cleaning plus chemi clean has harmed your reef, we could fix that
All you need is 100% new water prepared matching temp and salinity, make new salinity at .025 if you're not that high already. Low salinity isn't best, .025 is best for your tank needs