one of my fish have fin rot so iv put backtoper water treatment in but should i take out the fish that has it

only one of my fish has it at the moment so should i take it out?

how do you perform water treatment / maintenance for arowana fish?

specifically in replacing new water.

all i know is to pour some anti chlorine and methylene blue after changing a new fresh water.

is it ok to pour those chemicals while the fish is still there? some said you have to pull out the fish first before using those chemicals and put them back afterwards inside the aquarium after using those chemicals. for more or less 5-10 mins.how true is that?

my equipments are irrator and overhead circulating water filter w/ submersible pump.

please advice how do take care of this fresh water pets.

thanks.

If I use the Betta Plus water treatment for my betta’s water, do I still have to leave the water out 24 hrs?

When I change my bettas water, if I use the Betta plus water treatment, do I still have to leave the water out for 24 hours? Can I just put the fish back in his home?

Should I remove my fish before doing a clear water treatment?

I have a 10 gallon tank with 10 black neon tetra’s. The water has gotten cloudy so I purchased a treatment called Clear Water. I know the cloudiness is a result from overfeeding which we are no longer doing. I just want to make sure that the treatment will not harm the fish. I have checked the product site and can not find out whether or not to remove the fish.