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Discussion on Hard Water as a Source of Calcium
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Posted on Tuesday, May 22, 2001 - 2:13 am:
The calcium phosphorus ratio in the hay and supplements I'm feeding my small herd of donkeys is a little too low. I've been thinking about how to increase the ratio. However, the water they drink is very hard. Do equines assimilate the calcium in hard water? Isn't the white residue from hard water calcium carbonate? How would I calculate the amount of calcium from the water? I believe that the minerals in water are given in parts per million. Would that be by weight (versus by volume)?
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Posted on Tuesday, May 22, 2001 - 7:46 am:
Yes ppm would be a by weight measurement but because 1 ml = 1 gm of water it is very easy to convert the volume of water to a weight equivalent. With water you measure the volume to get the weight I guess is the way to say it. I would think in general unless the horse is drinking his water with a pick and shovel the calcium in the water will not significantly affect dietary levels.
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