Hello all. I have a 90g cycled tank with perfect water parameters. However, one of my angels has developed fin rot. I treated for several weeks with melafix and pimafix with marginal success. So I have elected to set up a quarantine tank and use kanoplex to treat the fin rot. I have placed a new sponge filter into my 90 gal tank for it to cycle. My question is how long does it take to cycle? Time is a concern as I don't want the fin rot to spread to the rest of my angels. It's a heavily planted tank so I don't want to dose with kanoplex out of concern for the plants and $ for 90 gal treatment as opposed to my 10 gal quarantine tank. Please advise.