Typical costs: Having a contractor level and prepare the area then pour a concrete slab ranges from $1,000-$2,000 for a 10x20-feet; $4,000-$6,000 for 80x20-feet; and $5,000-$10,000 for 100x100-feet. Smaller projects cost more per square yard because of minimum travel, labor and equipment costs.
What makes yogurt - well, yogurt? The words live and active cultures refer to the living organisms, Lactobacillus bulgaricus and Streptococcus thermophilus, which convert pasteurized milk to yogurt during fermentation. Note that the milk is pasteurized before culturing to remove any harmful bacteria.
Therefore, to make nice thick yogurt you must incubate it, maintaining it in a temperature range between 110Â° and 115Â°F/43Â° and 46Â°C. Incubation strategies, the most challenging aspect of making yogurt (and some other ferments), are covered in chapter 3.To make yogurt, you need a starter culture.herefore, to make nice thick yogurt you must incubate it, maintaining it in a temperature range between 110Â° and 115Â°F/43Â° and 46Â°C. Incubation strategies, the most challenging aspect of making yogurt (and some other ferments), are covered in chapter 3. To make yogurt, you need a starter culture.