Ice in bags/buckets.

[Hobie]

I had heard that when you collect your sap and there is a little ice in them. That one should dump it on the around. As it is 100% water. Any truth to this.

[Jolly Acres Farm]

Last year I boiled it. This year I throw it away. I did an experiment for myself. I used a hydrometer and checked the sugar content in several 5 gallon buckets, then set them out to freeze over night. I then removed the ice in the morning, the remaining sap was concentrated with a much higher sugar content. I then put the ice in buckets and let melt next to the evaporator, resulting in 0.0 brix, it was all water. I have not boiled ice since. I've been calling this my poor man's R.O.

[Atgreene]

Or, leave it and keep your sap cool slowing down bacteria.