Is this normal?

[Notsolostfish]

My basement is unheated it sits at 64F in winter, with humidity between 32-42%. And my helios heater kicks in every few minutes to keep the temperature up. Between 76.6-76.8. My evaporation is a lot. I evaporate almost hourly. And i end up over a gallon a say. Its a 150G with top lids (mesh) is that normal evaporation? Checked salinity it remains at 1.0255. This tank been running for 2 years. And i still check for leaks everytime i evaporate that much. Because i get anxious

 

[Thanos]

Sounds about right, my 65G evaporates close to 1G a day, but I live in very dry climate.

 

[Marco_99]

Seems pretty spot on. Put a piece of tape on your RO waterline on the top off container, in 24hrs mark it again. Take like a gallon jug, I have one marked in ml and ounces, measure as you refill between the lines and you’ll know exactly how much a day it evaporates .

 

[MegabiteOG]

Yes, pretty normal. House at 65 and get just under 2 gallons a day in my 180. Using Helios as well.

 

[Australian_Reef]

I think I heard Victor from WWC quote 1-2% daily is typical for evaporation rule of thumb. Obviously give or take based on climate.

 

[NotSoSlim]

EXT 100 and Im right about 1 gallon a day also