It is normal that there is sediment in loofah water, which is called caking academically. Decades ago, the reasons for the caking of loofah stock solution were studied. Since 2000, the research of loofah water has also encountered such problems. In the early stage, we called it floc. In fact, there is a saying that "a bucket of water is half a bucket of flocculant" in the early stage of fermentation after the collection of loofah stock solution. Later, it was found that EDTA could purify the loofah water and make it very clear, but it destroyed the concept of pure natural without additives. Between nature and additives, we chose nature, and we have been trying to control caking by physical methods to make our loofah water stock solution more beautiful without destroying its naturalness. I believe a good method will be found soon.

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