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Re: Humidifier water (was Re: KillieTalk Digest V4 #413)
Metallic aluminum is very reactive; however, any
aluminum exposed to air has already oxidized to
aluminum oxide and is for all pratical purposes inert
at normal pH. However in water which has pH that
crashes to lower levels than 4.0 or rises much above
9.5 becomes very soluble and forms aluminum hydroxide
gels when the pH returns towards normal levels.
I have used dehumidifier water aparingly off and on
for nearly a decade with no adverse effect. I am
going to use it rather extensively in the future to
use to lower the TDS of my tap water. My tap water
has been running about 350 TDS this summer and my
hanna TDS meter reads 20 - 21 TDS for the dehumidifier
water. Coincidentally my RO water reads 20 - 21 TDS
as well both on the Hanna meter and on the water
quality meter on my RO unit.
Allen H. Johnson
132 Whispering Oaks Dr.
West Chester, Pa. 19382
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