Are my Parameters Good?

[cpg]

Nitrates 40
Nitrites 0
Sal 1.025
Temp 80.1
Amon .5-1
PH 8.0
KH 143.2
Calcium 400
29 Gal...Yellow Wrasse, Fire Goby, Orange Spotted Goby..Fire Shrimp..Serpent Star..several crabs and snails...Yellow Polyps....BIG toadstool leather...plate coral...frogspawn..(hasnt been fully open for a while)
I just did a 20% water change....

 

[natclanwy]

In short no,
Nitrates should be less than 20ppm
Amon should be 0
PH is a little low should be about 8.2

 

[bennyhill]

The Nitrates are getting up there, to lower them
Change water and clean the filter. If your filter is dirty, there is more waste material present to break down into nitrate. Start feeding less and changing water more often. but everything seems ok .Im still learning and i have my tank up about 1/12 always things to learn
Here is a good site to reed http://fins.actwin.com/mirror/

 

[cpg]

I have just realized, that my fluval had carbon in there that has not been changed out in at LEAST 1 year. Could this be the problem?

 

[waterlogged]

Carbon over time leaches things back out into water. I change mine every 2 weeks.

 

[1journeyman]

Do another water change...
Ammonia is very lethal. It should be 0.0
You have something decaying in your tank. Anything die?