Important question

[Siren's Eye]

I just added 15lbs to my already established tank. Do you think everthing will be ok?

 

[hdtran]

How much LR do you already have in your tank? If you had a well established tank with 150 lb of LR, and added 15 lb, I'd say no big deal. If your tank nad no LR at all, and you added 15 lb, I'd say keep an eagle eye on your chemistry!

Bear in mind that those of us with the 'package' double our LR with the second shipment, and may see a 1 or 2 day spike in ammonia.

 

[docklink]

Should be provided you keep ammonia levels under 1.0 ppm(preferably less) via water changes while it settles in.

PS HDTran makes a very good point about ratio especially with a 30 gal tank.

 

[Siren's Eye]

I had about 10lbs already in it. The tank was set up for 3 months.

 

[hdtran]

Keep an eagle eye on your water parameters. I'd be even more conservative and do changes to keep ammonia under 0.5ppm, since you already have a royal gramma in the tank.