I use the orlon cone filter with 2-3 synthetic prefilters inside to remove most of the sugar sand from the syrup hot off the evaporator pan before it gets finished. One of the frustrations is that sugar sand plugs the fibers at the bottom of the prefilter, even though there is lots of unused filter available at the top.
Here is a very simple suggestion that works well. Simply sew a sturdy string to the bottom of the prefilter sock. When the bottom starts to plug, lift up on the string and the syrup is now filtered through the upper sides of the cone. Keep lifting and you can utilize the entire filter. If you need to, pull out the first prefilter and do the same technique with the next filter inside the cone.
Photos below shows the sequence. Replacing the filter stand is for next year, thinking a sturdy tomato cage might do it.....
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