ph meterApera Instruments PC60 pH/EC/TDS/Temp Meterโ
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4.9~$100Buy Now on AmazonSee full detailsSee full comparison
nutrients
Neptune's Harvest Fish & Seaweed Fertilizer (2-3-1) โ 36 oz, Organic
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ยฝ4.7 / 5
~$18Buy now on Amazon (opens in new tab)About this product
A hydrolysed fish and seaweed liquid that works in both soil and soilless systems โ the organic alternative for growers who want to avoid synthetic nutrient salts entirely.
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