Carl Pool BR-61 is a water-soluble fertilizer built around a high-phosphorus 9-58-8 analysis, with small amounts of iron, manganese and zinc. The heavy phosphate load is aimed at flower bud formation, bigger blooms and strong root growth on transplants, bulbs, shrubs and new lawns. It mixes easily in a watering can or hose-end sprayer and is a common pick for gardeners pushing bloom over leaf growth. Compared with balanced all-purpose fertilizers, it is a targeted bloom and root booster rather than a general feed for the whole season.
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Gardeners who use BR-61 tend to value it as a bloom and root starter, especially on transplants and flowering plants. The main complaints are its narrow high-phosphorus focus and the need to measure carefully.
Carl Pool BR-61 is a water-soluble plant food made from a blend of essential nutrients and minerals. It is designed to promote healthy growth, more flower buds and larger, more colorful blossoms.
It also encourages strong root development in newly planted trees, shrubs and bedding plants, and in newly seeded or sodded lawns.
To use it, mix it with water. For a sprinkling can, mix one tablespoon in one gallon of water. For a no-mix hose end sprayer, fill the sprayer with one pound (thirty tablespoons) to make thirty gallons of solution. The label lists specific directions for each use.