Re: humidity and red foots

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Posted by brian m on November 16, 2000 at 00:51:39:

In Reply to: Re: humidity and red foots posted by Tom on November 15, 2000 at 12:54:03:

: All of Elizabeth's information is great.

: However, I would ask, what are you using to measure the humidity? I wouldn't trust one of those cheap humidity guages made by zoo med or T-Rex.

: Another important issue about humdity that it is not an absolute measurement of how much water is in the air. You often hear the term relative humidity. As air gets warmer, it has a greater capacity for holding water. Therefore, you could have 100% relative humidty at two different temperatures, say 100 and 50, with completely different amounts of water in the air.

: This relationship does not work the other way! If you increase the amount of water in the air, the temperature does not rise! Rather, the temperature has to rise first for there to be an increase of absolute humidity (total amount of water per cubic foot of air).

: Golden Books guide to weather explains this concept really well. I used to compete in a weather competition in H.S. and just had to explain why a raise in humidity cannot cause actual tempteratures to rise.

: My advice would be to get a more acurate humidity gauge, since it sounds like what you are doing should increase relative humidity, unless your temperatures are extremely high.

: T. Arbour

i bought one of those indoor outdoor thermomiters from a meijer store near my house. it seems pretty accurate unlike the zoo med brands. i bought one of those water fall dishes and am triying to find the best location for it. if that doesn't work i will pick up a room humidifier.

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: : : All of Elizabeth's information is great. : : However, I would ask, what are you using to measure the humidity? I wouldn't trust one of those cheap humidity guages made by zoo med or T-Rex. : : Another important issue about humdity that it is not an absolute measurement of how much water is in the air. You often hear the term relative humidity. As air gets warmer, it has a greater capacity for holding water. Therefore, you could have 100% relative humidty at two different temperatures, say 100 and 50, with completely different amounts of water in the air. : : This relationship does not work the other way! If you increase the amount of water in the air, the temperature does not rise! Rather, the temperature has to rise first for there to be an increase of absolute humidity (total amount of water per cubic foot of air). : : Golden Books guide to weather explains this concept really well. I used to compete in a weather competition in H.S. and just had to explain why a raise in humidity cannot cause actual tempteratures to rise. : : My advice would be to get a more acurate humidity gauge, since it sounds like what you are doing should increase relative humidity, unless your temperatures are extremely high. : : T. Arbour : i bought one of those indoor outdoor thermomiters from a meijer store near my house. it seems pretty accurate unlike the zoo med brands. i bought one of those water fall dishes and am triying to find the best location for it. if that doesn't work i will pick up a room humidifier.

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