I know that the antifreeze used in fresh water RV tanks is non-toxic and can protect to -50F.

Thinking Sugar might be a good choice I posted the question How to calculate how much sugar to use as antifreeze in drinking water? from the answer it looks like you don't get much real benefit for reasonable amounts of sugar.

So what potable/drinkable additive can I use to keep my drinking water from freezing? How much of it do I need to use to get to protect at different temperatures.

Optimally the answer includes a chart that shows the volume to add per unit of water, for an anticipated temperature.

I know that the antifreeze used in fresh water RV tanks is non-toxic and can protect to -50F.

Thinking Sugar might be a good choice I posted the question How to calculate how much sugar to use as antifreeze in drinking water? from the answer it looks like you don't get much real benefit for reasonable amounts of sugar.

So what potable/drinkable additive can I use to keep my drinking water from freezing? How much of it do I need to use to get to protect at different temperatures.

Optimally the answer includes a chart that shows the volume to add per unit of water, for an anticipated temperature.

I know that the antifreeze used in fresh water RV tanks is non-toxic and can protect to -50F.

Thinking Sugar might be a good choice I posted the question How to calculate how much sugar to use as antifreeze in drinking water? from the answer it looks like you don't get much real benefit for reasonable amounts of sugar.

So what potable/drinkable additive can I use to keep my drinking water from freezing? How much of it do I need to use to get to protect at different temperatures.

Optimal a chart that shows volume to add for unit of water, for anticipated temp would be in the answer.

I know that the antifreeze used in fresh water RV tanks is non-toxic and can protect to -50F.

Thinking Sugar might be a good choice I posted the question How to calculate how much sugar to use as antifreeze in drinking water? from the answer it looks like you don't get much real benefit for reasonable amounts of sugar.

So what potable/drinkable additive can I use to keep my drinking water from freezing? How much of it do I need to use to get to protect at different temperatures.

Optimally the answer includes a chart that shows the volume to add per unit of water, for an anticipated temperature.