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Adult Aphidius ervi are 4-5 mm long
This product is 100% made in the USA
Adjustable Full spectrum
avoid applying high-phosphorus fertilizers or fungicides at the same time as inoculation
Occasionally filter housings crack from mishandling
Emerald Harvest pH Down, 1 qt, case of 12 pumps-&-irrigation Adult Aphidius ervi are 4-5Emerald Harvest pH Down pH up and pH down: Keep the nutrient solution and the growing medium in the sweet spot (pH 5. 56. 5) for optimal nutrient uptake and no nutrient deficiencies. pH Up and Down are buffers composed of a weak base (Up) and weak acid (Down) designed to correct pH imbalances. pH Up and pH Down adjust the pH for optimal nutrient uptake and stable beneficial bacteria colonies, and they forestall nutrient deficiencies.
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