Emerald Harvest

Emerald HarvestĀ® pH Down

Emerald HarvestĀ® pH Down

Vendor: Hawthorne

SKU: HGC724014

from $12.38

Keep your nutrient solution in the sweet spot with Emerald HarvestĀ® pH Down. A pH reading above 6.5 is considered too alkaline for most hydroponic ...

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Emerald HarvestĀ® pH Up

Emerald HarvestĀ® pH Up

Vendor: Hawthorne

SKU: HGC724010

from $12.38

Keep your nutrient solution in the sweet spot with Emerald HarvestĀ® pH Up. A pH reading below 5.5 is considered too acidic for most hydroponic gard...

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