Microbe-LIFT Prof Blend Liquid, 1 quart &#9989; ONLY FOR PROFESSIONALS: Microbe-Lift PBL Professional Blend Liquid is made to be used by only pond, landscape and irrigation professionals. This bottle holds 1 quart / 32 fluid ounces of the product. &#9989; NATURAL, BENEFICIAL BACTERIA: This product is a combination of microbes containing specially formulated bacteria strains. Safe to use, the bacteria benefit pond and lake ecosystems. &#9989; IMPROVES PONDS AND LAKES: Microbe-Lift PBL lowers ammonia nitrogen levels and noxious odors in ponds and lakes. Reducing the buildup of dead leaves, bird droppings and uneaten fish food, it also dissolves organic sediment. It seeds and maintains biological filters and increases dissolved oxygen levels. It works in a wide variety of pH levels. &#9989; HELPS FISH: Supporting a healthy immune system in fish, this product also promotes rapid growth and reduces environmental stress in fish. It helps with respiration and gas exchange, oxidizes ammonia and nitrite, and lowers nitrate. &#9989; HELPS PLANTS: Besides decreasing transplant shock, this blend helps roots form and grow. It makes nutrients more available to plants and increases plants' appearance, bloom retention and ability to tolerate temperature changes.