New 45 gal tank questions

I just got a used 45 gallon tank (free on freecycle.org) and wanted to know if it’s ready for the fish I want to put in it. The fish will be coming out of existing tanks that I already have. I got the tank a little over a week ago and set it up with a spare filter from another tank and put in some plants and snails. Levels as of last night are;
Ammonia: a little over 0, the color is just off the 0 reading
Nitrite: same as ammonia, almost 0
Nitrate: 50ppm
PH: 6.8 (or 7.0, depends on the light I’m checking it against)
Haven’t tested for hardness yet.

I plan on doing a 30% water change before adding the fish tonight.
The tank has a 100watt and a 200watt heater. It has a HOB power filter rated for up to 50 gallons and a second bubble filter (out of an existing tank) rated for up to 10 gallons. I built a custom hood that has two large florescent bulbs.

The fish I plan on moving to this tank are;
3 Mollys
2 Yo-Yo loaches
2 Bala sharks
1 Black shark (George)
2 Angles
I know the mollys might not be the best for the tank, but they have been the dominant fish in the 29 gallon tank so far. I want to get most of the other fish out of the 29 because of the baby angles I now have. I’m mostly worried about the black shark and the yo-yo loaches. Any help would be greatly appreciated.

Walker_ said:

Ok just for clarification the filter is coming off of an established tank?

If so then sure id say stock it up; but if the filter is new be sure to cycle the tank up first…

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The small filter came off an established tank that has been running for months. I have a tendency to double up on almost everything due to other issues I've had before with equipment failures.

I can move some of the fish tonight and then more later. I was thinking about putting the Yo-Yo's in first to let them feel at home before the big fish show up.