This morning I used the slow juicer to juice out the kilo of calamansi I bought yesterday from Holland Road market and hawker center. I boiled water with some rock sugar. Then add the calamansi juice. The result is a solidly sour, bitter concoction that needed to be diluted. It is not sweet as I did not add enough sugar. In short, I have a lime juice concentrate. It is quite easy and low cost. The kilo of "lime" costs only $1.50. I have enough to make at least 30 cups of lime juice drink typically sold in the coffee shop. The lime juice cost $1.30 to $1.50 a cup in the coffeeshops and hawker center. The profit margin of the home-made drink is high.
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