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Hi guys, wonder if any of you measure your tap water for nitrate? Typical values of nitrate on the PUB site seems a bit too general (too wide range, 0.5 - 15ppm). I measured mine with a Sera test Kit an it show 0...(probably cannot measure the 0,5? How about you guys...care to share your values?
Plant Physiology by Taiz and Zeiger
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Plant Physiology by Taiz and Zeiger
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