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Hard water

Hard water

(Science: chemistry) hard water is water which contains minerals like calcium carbonate, magnesium carbonate, bicarbonates, sulphates, or chlorides, because it has been exposed to rocks or rocky soils.

hard water can corrode, discolour, or deposit its minerals, in and around materials such as water pipes.


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Re: Help! ANT COLLONY!! I have a QUEEN ANT --- now what?

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by Waylah
Tue Jun 17, 2014 8:40 am
 
Forum: Zoology Discussion
Topic: Help! ANT COLLONY!! I have a QUEEN ANT --- now what?
Replies: 3
Views: 1823

Help! ANT COLLONY!! I have a QUEEN ANT --- now what?

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by Tricho
Mon Jun 16, 2014 3:48 am
 
Forum: Zoology Discussion
Topic: Help! ANT COLLONY!! I have a QUEEN ANT --- now what?
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Views: 1823

What do you do when talking to creationists?

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by FriarBroccoli
Sat Jan 18, 2014 2:40 am
 
Forum: Evolution
Topic: What do you do when talking to creationists?
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by erialsneider
Sun Nov 03, 2013 12:13 pm
 
Forum: General Discussion
Topic: Solving World Hunger with Aphid Farms
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Organism that create or supress water

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by JackBean
Mon Aug 12, 2013 12:56 pm
 
Forum: General Discussion
Topic: Organism that create or supress water
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Views: 3208
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