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Grow 500 ml
Unlike other direct soil pH meters on the market
The bricks
the combo pH
Rock Nutrients Rock Star B Options:Rock Star B 1L (12/cs) Grow 500 mlRock Star B Rock Star is a two part premium formula designed to give your plants exactly what they need. Fusion Growth and Bloom are the strongest and most advanced single part plant nutrient products we have developed to date. Formulated with specifically chelated minerals Rock Star maximizes the bioavailability of essential macro and micro nutrients. Rock Star ensures that all of the essential nutrients that a plant craves are there when needed*;
