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Jim Langan wrote :
>Does anyone have actual experience using dehumidified water in their fish tanks.
The water >appears to be very clean no debris. If no one has experience I'll try
it as an experiment on
>a limited basis and monitor what happens.
I just started using dehumidifier water this past Spring. So far I've noticed no
difference in any of my fish. Spawning is about the same, sex ratios are
unchanged (usually bad). Some years ago with the previous dehumidifier, I tried
using the water and had problems with fish clamping up and just generally
lethargic. That dehumidifier had copper tubing for the coolant and had a light
film of oil on the surface of the water. Even siphoning the water from below the
surface made no difference. This dehumidifier has "silver" non-magnetic coolant
tubes (aluminum I suppose) and there is no oil sheen on the surface of the water.
I am currently putting this dehumidifier water in a 33 gallon plastic trash can
with about a quart of sphagnum moss. I drop in a rigid air line to the bottom and
pump air up one side of the can to create a moving water column. Some times I
strain the particles out with a brine shrimp net and other times I use the water
with the moss particles in it. I usually mix the peat treated dehumidifier water
50% with my well water.
It's working for me. But I do not know if there are any long term cumulative
effects. This dehumidifier is also a little over two years old so hopefully the
metallic surfaces have oxidized sufficiently to reduce the level of any metallic
contamination of the water.