Dehumidifier water aquarium safe?

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fhawk362

Jack Dempsey
MFK Member
Oct 24, 2009
1,282
2
36
Royal palm beach, FL
So I'm looking to get a dehumidifier for my house and was wondering if I could reuse this water and throw it in the fish tank. What are your thoughts, and has anyone ever done this before, I assume some of you guys must use them in your fish rooms.
 
Not safe for fish, pets, or plants. The moisture condensed in dehumidifiers will contain any airborne smokes, oils, or household chemicals. Also the metals within the dehumidifier vary from model to model and manufacturer to manufacturer and may use steel, aluminum, copper, zinc, and lead (solder) in their component construction.
 
There are food-grade models that may be safe for recycling condensed water. These units are usually commercial/medical level and cost more than department or hardware store retail units.
 
I've treated some with prime and added into tanks without a problem or negative result. Prime will take care of the trace metals that might appear. I don't see what "chemicals" or "oils" come out of the air in our houses, that we don't breathe? The air in my house is clean.


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I decided to google it, couldnt find exactly what I was looking for but someone emailed a manufacturer about drinking the water and although they did not recommend drinking it they said it was safe to use on plants, even plants that will be eaten. I think with a dechlorinator I would have no problems. Any other input?
 
Doesn't matter what you breathe. Chemicals (air fresheners, kitchen/bath cleaners, furniture polishes, deodorant, hair sprays, perfumes, colognes, etc), oils (cooking and perspiration, liquid candles, etc.), and metals (especially copper, lead, and zinc) when added to aquaria via dehumidifier condensate tend to become more concentrated from "topping off" from the dehumidifier (instead of regular water change). Keep in mind when running a dehumidifier water evaporates more quickly from aquaria. The tendency is to keep topping off a tank instead of performing a regular water change. Each time a tank is topped off from the dehumidifier, the condensate adds more and more of whats in the home's air. And, at concentrations not normally experienced in an aquarium exposed to just room air without the dehumidifier.
Another problem is the addition of bacteria, fungi, and molds that are known to flourish in dehumidifier reservoirs that are not routinely cleaned when they are dumped.
 
I decided to google it, couldnt find exactly what I was looking for but someone emailed a manufacturer about drinking the water and although they did not recommend drinking it they said it was safe to use on plants, even plants that will be eaten. I think with a dechlorinator I would have no problems. Any other input?

Try googling: dangers in dehumidifier water
 
Ya every time i used to clean out mine i would dump in in the toilet and the watee would be really nasty brownish. I woildnt do it. But if u dont care about taking risks with your fish amd poop brown water to look at the i guess.... Not my cup o tea

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