No, you’re not lost on an arts and crafts blog. These polyacrylamide polymer crystals can absorb 400 times their weight in water, swelling up to a jelly-like consistency and looking like watery ice, and photo pool member Poekie knows how to capture the beauty of that process. But these crystals can also save your lawn [...]
Read The Full Article:
http://toolmonger.com/2008/05/16/watering-crystals/
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