Actually it appears from most sources that I can see that 4 months is the
major breaking point between very susceptible to acquired blue baby syndrome
and not as much in danger. Since up until about 4 months old "Higher gastric
pH in infants may facilitate bacterial proliferation, resulting in increased
conversion of dietary nitrates to nitrites. " (quote from
http://www.emedicine.com/ped/topic1432.htm)

So since babies that small will not go after fertilized solution on their
own, the main danger to baby from fertilized solution would be if anyone
were using bottled water to mix baby formula and accidentally used the
fertilized solution instead. shudder That's not going to happen here
(among other things because our baby is not on formula, and because after
the one incident when I was not quite sure whether a bottle of water was
actually bottled water or fert solution I have become even more careful), so
that's one thing I won't worry about.

Joanna

"J Fortuna" wrote in message
newsDuGf.30880$H43.20058@trnddc08...
Interesting. Thank you for the info Aaron. From what I read about
methemoglobinemia after getting your response, infant below 6 month of age
are particularly in danger, since after that the body may already be
capable of dealing with nitrates. So in the first 6 month fertilized water
is more poisonous and then it is less so. As already said, I do not intend
to feed my son fertilizer and overall I think I will keep the fertilizer
solution out of his reach, however, the cleaning supplies and other much
more toxic chemicals will take precedence in the out of reach storage --
they will have to be placed in a spot that is completely out of baby and
toddle reach no matter what happens, whereas the fertilized solution can
probably be in a spot that is just out of reach.
Joanna

"Aaron Hicks" wrote in message
...
As to fertilizer toxicity- the biggest worry that I am aware of
would be the nitrates. People don't handle nitrates too well, and infants
are most susceptible. Look up "blue baby disease" or "blue baby
syndrome,"
also known as methemoglobinemia.

Actually, methemoglobinemia has a number of causes, nitrates in
the diet being one of several.

Other'n that, most of the components are fairly safe in the
concentrations at which they would most likely be present.

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-AJHicks
Chandler, AZ