Big Bloom® Liquid Plant Food is a carefully selected blend of fertilizers formulated to support multiple blooms and seed formations. This liquid plant food supplies nutrients that your plants can access immediately.  Big Bloom® contains bat guano and earthworm castings.  Bat guano has been used for centuries as a fertilizer for all kinds of plants. Combined with earthworm castings they create a nutrient-rich mix that can help your plants thrive.