I am new to the "dark side" and have recently set up my system. I am currently in the cycling process, so no livestock yet. Something I considered today was this.... I am a mechanic in the printing industry and get pretty dirty at work with inks, solvents etc.... I of course scrub and scrub to get my hands clean, especially with a nail brush. But I'm worried about the possibility of contamination to the system when I have to reach into the tank. Are there any precautions I can take to prevent such a situation? Any special "tank friendly" soaps or cleaners (surgical scrub surgeons use prior to surgery come to mind) or am I just being a nervous nelly and it's not really a big deal? Does anyone wear gloves when servicing their tank? Any ones I should avoid?