John B writes:
On Sat, 12 Aug 2017 23:48:38 -0300, Joy Beeson wrote:

What I say:

Take the first sip of water as you are rolling out the driveway.
It sets the proper rhythm, and lets you know you forgot to clean
your bottle while you can still go back and do something about it.

What I do:

Last Saturday I was well beyond the bridge before I learned that I
had to go back and swap half a bottle of very sour tea for a full
bottle of chilled water. (I drank the tea -- diluted with plain tea
-- on Thursday.)

I ain't abuyin' no more opaque water bottles.

[...]

What I do is the night before a ride I mix my drinks, in this weather
two 1/2 litre bottles, in the hot season, four, and put one in the
fridge and one in the freezer, in the hot season on in the in the
fridge and three in the freezer. Which gives me "coldish" drink over
about a four or five hour ride.

It isn't a perfect solution as the bottles do warm up a bit but is
better then nothing. In really hot weather I stop at 7-11 stores -
there is one at nearly every gas station - and buy bottles of cold
water and mix them with any leftover drink that I happen to have.

In a tropical climate I find that some sort of "sports drink"
containing at least salt is pretty well mandatory. Or, at least my
experience drinking bottled water on a 50 km ride in 95 - 100 degree
weather was very debilitating compared with the same ride using a
sports drink.

Interesting. I typically take two 1.5 liter bottles of mineral
water (a specific local brand) for a 5 to 9 hours ride. This
summer, I had to buy one more along the way once, but with about
80 km covered (or so is my estimate), that was probably my
lengthiest trip so far.

I saw no need to cool my drinks, even though the temperature
here in summer does reach 80-100 F. (One trip this summer,
the water felt almost hot. Never thought of it as an issue.)

Also, as caffeine narrows blood vessels, I'm unsure if I'd like
to try mixing tea and pretty much any serious physical activity.

In spring or fall, one bottle is usually enough, but I still
take another just in case. (And for winter walks, I take one
0.5 liter bottle instead, as it's what fits nicely in the inner
pocket of my winter jacket.)

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