Same products you use at the sticks and bricks.. YES bleach (Concentrated straight from the bottle) is not good for the pipes and such.. Diluted with water (Rinse directly after cleaning) it is not so bad.. It's not the best thing for the black tank as it can put quits to biological activity but... Not that much bio-activity happens in the black tank anyway, I mean you dump too often.
Home was where I park it. but alas the.
2005 Damon Intruder 377 Alas declared a total loss
after a semi "nicked" it. Still have the radios
Kenwood TS-2000, ICOM ID-5100, ID-51A+2, ID-880 REF030C most times