Sap Collection

Timing is Important
Sap should be gathered promptly, especially when temperatures are above freezing. Fresh, clean sap which has been kept cool during collection and prior to boiling will produce syrup which is one to two grades higher than old, contaminated sap. Since higher quality syrup commands a higher price, it makes sense to collect and boil sap as quickly as possible.

Colllecting the sap.Sap Gathering Pails
Sap should be gathered from buckets in containers that are used specifically for that purpose. It is important NOT to use pails that have contained non-food products.

Be Observant
Maple sap and syrup pick up off-flavors easily. Be sure that particles from exhaust pipes of tractors do not float into gathering pails or tanks. Contact of sap with any petroleum product is especially dangerous.

Sap Ice
The ice formed in sap buckets can help to keep the sap cool in storage; however, many sugarmakers throw away the ice because they believe that it contains very little sugar. With today's high fuel costs, the producer may wish to check the sugar content of melted ice before making a decision about whether to keep or discard ice.

Sap Filtering
Filter sap through multiple filters, first through coarse filtering materials to remove bark, small wood shavings and debris, then through a finer filter. Removing foreign materials from the sap before it is evaporated will usually upgrade syrup by at least one grade…a higher price for a small effort and expenditure. All sap filters should be changed often and kept clean to avoid off-flavors. For filtering sap, many sugarmakers use filtering materials which are available from maple equipment suppliers.

Sap Tanks

Keep Tanks Clean Throughout the Season
Between runs, when practical, sap gathering and storage tanks may be rinsed. Be cautious if using the solution of one part unscented household chlorine bleach to twenty parts of water. Make sure that everything with which sap may come in contact has been thoroughly rinsed so that no chlorine residue remains. The solution should not be permitted to remain in the tanks, since chlorine has corrosive effects on galvanized metal.

Keep it Cool and Covered
Tanks should be located outside the sugarhouse, preferably on the north or northwest side, away from all possibility of direct sunlight. A loose covering over the storage tanks will prevent rain and foreign materials from lowering the quality of the sap.

Storing Sap
Sap should not be left long in tanks when weather is above freezing; the quality of the sap will begin to deteriorate, producing lower grade syrup.

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Last modified: June 19, 2007
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