You can use more dish soap to make more slime, but you'll need to add more cornstarch as well.  Consider using some colored or scented dish soap. For a more traditional slime, consider green dish soap. You can also use shampoo instead of dish soap. The thicker the shampoo, the better!

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Write a summary of the previous text in Indonesian:
Teteskan 1½ sdm (25 mililiter) sabun cuci piring ke dalam mangkuk.