There has been some talk about Serum Calcium vs Calcium Hydroxide(LimeWater) usage.

Serum Calcium is the Calcium measured in the blood.

Lime Water is made by putting Calcium Hydroxide into water.

Actually calcium oxide, It is the reaction of calcium oxide and water that forms calcium hydroxide.  BASIC science.

Unless someone can show me a pipe where when we ingest our foods that contain Calcium or we ingest Lime Water and this can flow thru these pipes Directly into our blood, How can Lime water have a Direct bearing upon Serum Calcium?

So you are now saying that the calcium is not absorbed?  You are being contradictory.  If it is absorbed then it will affect serum calcium.  If it is not absorbed then it would have no effect on the body's pH.  You cannot have it both ways.

The calcium homeostatic system depends on several important factors: parathyroid hormone (PTH), vitamin D, phosphate, and magnesium. PTH serves as a receptor arm to correct alterations in the steady-state level of serum calcium.

The train is leaving the track!!!  PTH regulates serum calcium, not calcium in the gut that you think is not absorbed.

Vitamin D increases the concentration of serum calcium by several mechanisms.

And I bet you cannot explain those mechanisms without having to look them up.  So far I just see you doing more cutting and pasting of stuff you don't understand.

The serum phosphorus level also plays a role in the maintenance of a steady-state concentration of serum calcium. While there is no exact solubility product for calcium and phosphorus, a rise in serum phosphate usually leads to a fall in serum calcium.

Not quite true.  A rise in serum phosphorus is perceived as abnormally low calcium since this creates an imbalance in the calcium/phosphorus ratio.  In response to this pseudohypocalcemia the parathyroid hormones release parathyroid hormone, which releases calcium from the bones to balance back out the calcium/phosphorus ratio.  This is the primary reason beef, dairy and colas, which are all high in phosphorus, lead to loss of bone density.

Alterations of serum magnesium within the normal range (1.5 to 2.5 mEq/L) do not appear to affect the concentration of serum calcium. But hypermagnesemia tends to suppress PTH secretion and may lead to mild hypocalcemia. Conversely, a moderate decrement in serum magnesium may stimulate PTH secretion. With a fall in serum magnesium below a concentration of 1.0 mEq/L, PTH secretion is suppressed and resistance to the action of PTH on target organs develops.

And this has what to do with whether or not calcium hydroxide is absorbed?  Copying and pasting medical information you don't understand is not going to make you look intelligent.  By the way, copying and pasting someone else’s work without giving credit, such as a link to that work, is copyright infringement.  It is also in poor taste as it is a type of stealing!!!

What does all this mean?

Basically that our Serum Calcium Levels are affected by many other factors besides how much Lime Water we may ingest and or How much Calcium may be in the foods we eat!

Was this ever questioned?  Not that I have seen.  What was questioned was the DANGEROUS advice of telling people to drink a caustic calcium solution, which is dangerous in itself, but even more dangerous when you have no idea if the person has a condition of elevated serum calcium.  What if they have high serum calcium from hyperparathyroidism, which is pretty common?  Your advice could end them up in the hospital.  And what if they are taking CALCIUM CHANNEL BLOCKERS (CCBs) to control their high blood pressure, which is induced by calcium?  Do you even have a clue of how CCBs work, or how calcium raises blood pressure?  I know I have explained it to you more than enough times, but I still don't think you get it.  And what if the person has other calcium induced disorders or disorders that can be aggravated by more calcium such as asthma, migraines, menstrual cramps, restless leg syndrome, spastic bladder, constipation.........?  Why are you so insistent on putting your massive ego before the health and safety of the people coming here to CZ for help?  I offered to teach you IF you really wanted to learn.  Instead you have continued to lie and mislead people and even continue to give out potentially deadly advice like telling people to take black strap molasses, which is high in iron, when they have hemochromatosis.  Hemochromatosis is a VERY DANGEROUS iron overload disorder!!!  You should not be dispensing advice on stuff you have absolutely no clue about.  You are going to end up killing someone giving out dangerous advice like that.  I already had one poster state that her relative ended up in the hospital with alkalosis from following your advice and we have all seen many other posters point out that your advice made them worse.  Why?  Because there is NO one singular cause for disease.  Even if there was what would make you the one with all the answers?  You don’t even understand the most basic principals of science and medicine as we have all seen over and over.  There are other egomaniacs out there claiming that all disease is caused from colon problems.  That all disease is caused from parasites. That all disease is caused from emotions……….  You can’t all be right, and in fact none of you are. Again, there are many causes of disease.

Anyone with even a basic education should be able to easily see that you don’t have a clue what you are talking about.  You don’t even need to know science and medicine, all it takes is a little common sense.  For example you keep claiming that acids will turn the tissues in to a pile of goo.  To start with acids are not what cause decay, enzymes are responsible for that.  If you were correct then why don’t people with acidosis dissolve right before our eyes?  Oh, that’s right because your claim smells like the manure it is composed of!!!!  And you claim all disease stems from acidity of the lymphatic system, which in truth is ALWAYS kept in an alkaline state.  Anyway, your statements again contradict each other.  If acids cause the tissues to decay in to goo, and acidity of the lymphatic system is the cause of all diseases then anyone with a disease should have had their lymphatic system dissolved from the acidity.  And thus they would be DEAD.  See, all it takes is some simple common sense to debunk your claims just because they are SOOOOOO ridiculous!!!!!  And again, since the stomach, intestines, vaginal cavity and skin to name a few are naturally acidic then why have those tissues not dissolved in to goo?  Again, all it takes is a little common sense to debunk your ludicrous claims!!!  Then there is cellular energy, which requires a number of acids to be generated.  Look up the citric acid cycle and see how citric acid, malic acid, and pyruvic acid are all needed to generate energy in every cell in the body.  But according to your ludicrous hypothesis all of our cells should be puddles of goo by now.  Gee, how have any of us managed to survive if your ridiculous hypothesis had even 1% merit to it?!!!!

The measurement of serum calcium is fraught with many possible errors as to Why the Serum Calcium is what it is.

Some of these Many errors involve measuring complexed calcium vs ultrafilterable calcium vs ionized vs the diffusible fraction of calcium, etc.

You ought to learn what you are talking about before posting Moreless:

http://www.springerlink.com/content/gx70l5374x4585m6/

" Abstract  Measurement of serum free (ionized) calcium (Ca⁺⁺) reflects true calcium status of the body in health and disease."

Then we need to consider how Protein(Nitrogen)NPN may affect the Serum Calcium!

NPN includes everything from amino acids to uric acid and various other compound in between.  You really need to be more specific to what you are claiming and give specific explanations if you expect anyone to take you seriously.  Saying NPN Is akin to saying a gas.  Do you know how many gasses their are?  Do you even know how many different substances fall under the term "NPN"?

This can be where the real problem begins:

The term "nitrate toxicity" is commonly used but the toxic principle is actually
nitrite. When Nitrate is converted to nitrite. Nitrite is absorbed from the
digestive system converting blood hemoglobin to methemoglobin. Methemoglobin
cannot transport oxygen to body tissues, so People and animals die from oxygen
insufficiency.

And what is the primary culprit that contibutes to nitrite toxicity?  Oh that's right, its alkalinity!!!!!!!  I posted evidence on this several times:

http://curezone.com/forums/fm.asp?i=1449657#i

http://curezone.com/forums/fm.asp?i=1449606#i

Therefore your alkalinizing drink would actually increase the risk of nitrate toxicity.  So why do you keep promoting this poisonous caustic drink?  If you reallly wanted to help people you would be telling people to run from this drink as fast as possible before they hurt themselves!!!

As usual not everything may be as it may 1st seem to be!

People who spend all their time crying Wolf, Wolf about the use of Lime water and never mention the real problem of NPN are just chasing their Tail as they run around the tree!

So again, which of the various NPNs are the problem?  The amino acids we need for our existence and function?  Maybe you are referring to the creatine, which is essential for the production of energy by our muscles?  Or maybe you are referring to the uric acid that is part of the body's primary antioxidant system?  Please don't be so vague.  I would expect that if someone REALLY knew what they were talking about that they could easily explain their claim with specific detail rather that presenting vague nonsense.  You are welcome to post your detailed explanation here if you are not making all of it up!!!  I am sure that everyone on CZ would be interested in seeing your explanation that the rest of the entire scientific and medical community around the world is unaware of.