Botanicare Silica Blast is available in multiple sizes, including 1 QT, 1 Gal, 2.5 Gal, and 5 Gal, giving buyers options based on garden size and routine use. This item is listed in new condition and ships with free shipping, which may help when comparing total cost. The range of container sizes can be useful for small home growers as well as larger setups that need more product on hand. If you are choosing between sizes, consider how often you use plant supplements and how much storage space you have. Since detailed category and product specifics are not provided here, check the listing for full details. Botanicare Silica Blast 1 QT , 1 Gal , 2.5 Gal , 5 Gal. Condition: New. Listed at 24.79 USD. By reinforcing your plants from the inside out, Silica Blast ® gives them the strength they need to thrive and the durability to handle demanding conditions. It’s easy to use, highly effective, and an essential part of any performance-driven nutrient program.