Hidrogel.

  Hello, your Flower Doctor here. �Hidrogel Makes Floral Displays Sparkle� Hidrogel is a non toxic polymer which absorbs up to 150 times its weight in water. It's ideal to create amazing effects with cut flowers, silk flowers,candles and more� Hidrogel is odourless, absorbs, holds water for weeks and hydrates to 150 times its original size. Re-use up to 12 times after rinsing. They are non toxic biodegradable, available in 7 vibrant colours and clear. Hidrogel directions and useful tips: Empty packet of hidrogel �into vase, add 1.5 litres of water per 10g pack. Allow to stand overnight, ideally 8-10 hours, when all water is absorbed add another 2 cups of water. Drain off excess water, leaving only 1cm water at the bottom of the vase.