humidity problem with fans on

I have a small grow box im vegging one plant under a 125 watt cfl, im using 2 4 inch computer fans as intake and exhaust,my problem is they are causing my humidity to be 20 percent which is make my seedlings leaves to look kind of dry and curl slightly, would it be better to turn these off?

How are your temps? Yeah you should try to get humidity up. A simple upside down jar right over the top for a spell is an easy solution if you need to keep the fans going for temp maintenance.

I use ultrasonic fogger.

Flat tray with water on it will help spray bottle also help or get a glass of water with a air stone in it and put it near the intake fans flow

Try a cool mist humidifier helps lower temps and and moisture