Sodium Alginate - WillPowder from Chef Will Goldfarb, 1lb Willpowder Sale! from 2830 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Works as a cold gelling agent -needs no heat to gel. Gels in the presence of calcium compounds. Used w/ calcium chloride to make caviar & spheres. BULK ORDERS: For orders over 30 units please call us to place order.