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Dr. Tank Power Balls Root Supplements is a substrate additive that contains nutrients for promoting root development and minerals and organic acids that promote the growth of beneficial bacteria. A healthy colony of beneficial bacteria in the substrate prevents the substrate from becoming anaerobic over time.
Directions: Use 1 ball for every 15 x 15 cm area and fully cover the ball in the substrate. Insert approx 2-3 cm away from the plant's roots.
Approx 25x balls per container