Re: [Killietalk] Air exchange vs. dehumidifier

[Ken Simolo <Simolo at chem_chem.rochester.edu>]

I was surprised to find that humidity was not a major problem in my 
fish room.  I must admit I do not know why I do not have problems.  I 
insulated the walls and ceiling of my basement fish room with rigid 
insulation and caulked the seams because I was worried about moisture 
getting into the house insulation.  I also expected to have to add an 
exchanger for the winter and possibly a dehumidifier for the humid 
summer spells.  However, even with ~130 tanks all with air driven 
filters, the humidity stays around 50%.  I even have several open 
reservoirs of water.  The tanks are covered but I would have thought 
the bubbling air would have negated much of the benefit of covering 
the tanks.  I was so surprised by the low humidity levels, I now have 
2 digital humidity gauges and one "mechanical" humidity gauge in the 
room because I did not believe the readings I was getting.  In the 
winter, I can understand the low results since the outside air is 
dry.  During the summer during a hot humid streak of weather, i will 
get condensation on the cold water line from the well but that 
happened before I kept fish.  What I do not understand is how my fish 
room can stay below 60 or 70% humidity when it is 85 degrees out and 
95% humidity.

Ken
Glad I have not had to buy or run any humidity control equipment!
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