New fish in QT, should I do hyposalinity if no signs of ich?

[saltyESQ]

He is in a 40g tank atm and I was wondering if I should do hyposalinity even if after a week or 2 he shows no sign of ich?

and if I should do the hypo, the qt tank has been up and running for almost 2 weeks. I put a lot of cycle in the tank to help with the cycle and I had only a minor ammonia spike. ATM ammonia and nitrite are at 0ppm. I also put in about 25lbs of established LR. If I do a hyposalinity I will need to take out the rocks because they will die off and cause an ammonia spike (already happened to me with another fish) But if I take all the rocks out of the tank, will I get an ammonia spike because there is not enough places for the bacteria?
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[maro1]

Salty,

I would put a little hang on back filteror an aqua sponge air filter in the tank as a bio filter.

I would not do Hypo if he shows no signs however the longer in QT the Better.

Mar