HEY!!! A 125??? I'm jealous.. I'm like 1-2 years away from getting a big tank. My 45G Reef will have to do for a while...
We are only asking these questions because it usually takes much longer for the cycle to finish. You should be testing your water parameters to confirm that the cycle is complete before adding livestock.
However, if you started with Cured Live Rock from the LFS
tanks, then there is a good chance your cycle was much quicker.
Regardless, it's a good idea to learn about how the Biological fintration process works if you are going to keep a SW
Anyway... Sharkbaits answered your actual Q about water parameters. Just make sure they are in check before adding fish or your stress or kill them