Hanna HI98121 pH/ORP Combo Pocket Multi-Purpose Meter

An intense Nitrogen formulation that may be used as a potent Grow fertilizer that will generate lavish vegetative growth, or a dynamic General-Purpose formula that will provide robust growth along with an explosion of flowers, vegetables and fruit. It is the best choice for those who prefer a single formula for both growth and blooming (production).For use with planting mixes, native soils and as a Hydroponic additive. May also be used as a grow booster or as part of the Elements Total Solution. Indoor/outdoor plants, soil and Hydroponics.