Dosers in sump area?

I placed my doser (Marine Color) above my sump. I don't have many other places to put it. This also kept tubing nice and short. Is this a bad idea? Will it mess up my doser by being in a humid enviroment. Do you guys have any experience with this? These are very similar to the Bubble Magus, as a matter of fact I think it's the same doser rebadged. Where have you guys placed your dosers? (Bubble Magus, Marine Color, Marine Magic, ect)??????
 
I have had my Drew's dosers under my stand above my sump for 3 years. I have a tube holder to keep things nice and neat.
 
I'd be interested in how the Marine Color dosing pump works. It's half the price of the Bubble Magnus.
 
I keep mine where the rest of my electronics are behind a divider as I want to minimize the impact of humidity and just run the tubes to and from the dosing container.
 
Erica & mwilk19, I think the problem with these are the microchip which controls the unit. Humidity might shorten the lifespan, and could even make it malfunction !! Not something I want to experience.

MBSL55, my area under the tank is crammed to the bone and unfortunately there's water from corner-corner. My only option would be outside somewhere.I would have to build a shelf of some type, as I don't like equipment viewable from the front. I was hoping some here had theirs in the sump area and could give me feed back in regards to longevity . I have my RKL equipment in the same area and so far no problems after 3 yrs, but this might be a different animal all together ( made in China). If anyone has one of these units in the sump area, please chime in. Perhaps a fan in that immediate area could help ? Any feedback is appreciated. If I could keep it in there with no problem, I sure would like to !!
 
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