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Thursday, April 8, 2010 @ 2:55 PM
So, I collected my results today and I made them all into yet ANOTHER video.

ENJOY~~

From the results I have collected I can say that ONLY certain preservatives prevented the growth of bacteria in the stock.

If you are not bothered to watch the video I shall tell you that mould and bacteria DID grow in the control, sugar and stock solution and the lemon juice and stock solution.

This is a slightly confusing result because half of the preservatives worked (salt and vinegar). I also find it confusing how the veinegar worked, yet the lemon juice did not because they are both acids.

These results also help rule out sugar, when we need to preserve something.

To obtain a fair trial, I will be redoing this experiment once next week.

Stay tuned for EXPERIMENT 2!!!

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