add Prime before adding new fish (panda corys)?

[Tostada]

Do you guys add Prime before adding new fish, just to "be sure" your parameters are good?

I keep up with testing and PWC. I just wondered if adding Prime to neutralize anything in there is a good idea or a bad idea. I mean, my water is probably already better than the LFS, so maybe it would actually be a bad idea and make acclimation harder on the fish?

I'm concerned because the LFS has a decent deal on panda corys, but they're very small -- they look like they're slightly under 1". Pandas are pretty touchy to begin with, aren't they?

[joannde]

Prime will detox ammonia and nitrites, which you shouldn't have (if you do then you're not fully cycled and panda cories are a bit sensitive).

It will also dechlor water , but you should be doing that with water changes anyway

Given all this, I see no reason to have to add Prime when adding fish

[Zagz]

I don't add anything when adding new fish. I have learned through hard experience that QT'ing the fish for 2 weeks is the best thing for the exsisting tankmates. I acclimate the new fish slowly after QT.

If your tank is fully cycled adding new fish won't affect the cycle unless adding too many at one time.