ph meterApera Instruments PC60 pH/EC/TDS/Temp Meter★★★★★ 4.9~$100Buy Now on AmazonSee full detailsSee full comparison
nutrients
Neptune's Harvest Fish & Seaweed Fertilizer (2-3-1) — 36 oz, Organic
★★★★½4.7 / 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 — the organic alternative for growers who want to avoid synthetic nutrient salts entirely.
Often bought with this
ph adjusterGeneral Hydroponics pH Control Kit (pH Up, pH Down, Test Indicator)★★★★★ 4.7~$22Buy Now on AmazonSee full details
nutrientsGeneral Hydroponics Flora Series 3-Part Nutrient System (1 qt each)★★★★★ 4.8~$35Buy Now on AmazonSee full details
More products you might need
nutrientsGeneral Hydroponics Flora Series 3-Part Nutrient System (1 qt each)★★★★★ 4.8~$35Buy Now on AmazonSee full details
nutrientsGeneral Hydroponics Flora Series (FloraGro, FloraBloom, FloraMicro)★★★★★ 4.8~$35 for starter setBuy Now on AmazonSee full detailsSee full comparison
ph adjusterGeneral Hydroponics pH Control Kit (pH Up, pH Down, Test Indicator)★★★★★ 4.7~$22Buy Now on AmazonSee full details
bacteria cultureFritz Aquatics FritzZyme 7 Live Nitrifying Bacteria (Freshwater)★★★★★ 4.6~$15Buy Now on AmazonSee full details