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Polystyrene glue seals trays together permanently at each joint
Made from Potent Seabird and Bat Guano PLUS pure Worm Castings – not cheap worm compost
Grodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops
it keeps leaves healthy and lush
Molybdenum (Mo) : 0
GH pH Up Liquid Quart silancer Polystyrene glue seals trays togetherThis Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.
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