20g Tank Problems please help

[reefguy352]

I am not sure what is wrong with my tank its a 20g gallon with an acan lord frag and torch coral that has been set up for 2 years now but i have only had it in my possession for about a month and a half i am new to reef keeping so anything helps

Water parameters

Calcium - 500 ppm
Magnesium - 1680
KH - 8

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[thegrun]

What is the issue? I do not understand your question.

 

[reefguy352]

i am asking if everything is in order as far as tank conditions and appearance go