? for all my scientist friends...

Take away is no, don't use your dehumidifier to top off your tank
+1

[quote=“logans_daddy, post:21, topic:2416”]

Take away is no, don't use your dehumidifier to top off your tank
+1[/quote]

+1 again

But for the record:

Evaporation (Boiling) = converting a liquid in to a gas
Condensation = converting a gas in to a liquid
Freezing = Converting a liquid in to a solid

:GEEK:

A dehumidifier works just like mother nature by dropping the temperature of the air so low it can no longer hold the suspended water droplets. Just like walking out on to the front yard in the morning to get the paper and finding out 2 steps too late that the lawn is covered in dew and your slippers are now wet and your feet are cold and you locked the door behind you, and you can see the dog lapping the coffee out of your mug while you freeze your butt of on the doorstep listening to the neighbors laugh at you yelling to the dog to open the door.

^ classic

logansdaddy check the tds on the condensation ona beer can, no fan there but betits got tds

logansdaddy check the tds on the condensation ona beer can, no fan there but betits got tds
just for giggles, i did just this. my house is INSANELY humid because of my tanks. i put a coke can on my desk, sucked the water into a pippette, put it into a clean test tube, and took the TDS. it was 0. im not guessing it was zero, i dont theorize it might be zero. it was 0 >LOL<
But for the record:

Evaporation (Boiling) = converting a liquid in to a gas
Condensation = converting a gas in to a liquid
Freezing = Converting a liquid in to a solid

Craig, i still dont follow lOl ive really got to keep my posts shorter, and my points clearer lOl did i ever say that these werent the case? Im guessing its my confusion with this statement.

But therein lies the problem with this logic. Evaporating water will not have TDS - water from a dehumidifier is not evaporated to steam and then collected, it is cooled to below dew point and condenses from the air, therefore any pollutants (i suspect) would still be present.

i think everyone can at least agree on this statement.

IF we boiled a fixed amount of tap water with a given TDS content in a closed, sterile environment with no air pollutants, then the water produced from condensing the vapor will have 0 TDS.

Looking more closely at what constitutes TDS for us in the hobby will probably give more truth to the statement. My brain is shutting down this late, but is it even physically possible for most of the things that make up our TDS to 1)even have a gaseous state? 2) to be light enough to be bound to another element in a gaseous state? again, im not a chem guy, so my answers arent rhetorical ;D if my logic is wrong, feel free to call me out!

From what I remember -this was discussed somewhere on r/c a while back-the general consensus answer was: no -you shouldn’t use the output water of a dehumidifier…
Do a search maybe you can find the thread…hth