Getting back into sugaring after being out for over 40 years. Amazed at how much has changed. Decided to use mainly 5/16 tap and 5 gallon bucket with tubing running into them. Had an old timer with me today and he mentioned that he only uses 5/16 taps on smaller taps he uses 7/16 on the larger trees. I asked him why he didnt use all 5/16 everywhere and he said if you use them on the large trees You will get much less sap production. I never heard that! Thoughts?