Curated Hydroponic Products
Not sponsored. Not gifted. Hand-picked based on real grower reviews — pH meters, grow lights, systems, the 7 raw nutrient salts, and everything in between.
Showing 57 of 57 products
Best SellerGeneral Hydroponics
General Hydroponics pH Control Kit
The #1 pH kit on Amazon with 30,000+ reviews. Includes pH Up, pH Down, liquid test indicator, test tube, and chart.
$21.19USD
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Budget PickVIVOSUN
VIVOSUN pH + TDS/EC/Temp Combo Kit
Two-meter bundle: pH pen + TDS/EC/Temp pen. The most-reviewed hydroponic meter combo on Amazon. UL certified.
$15.19USD
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Budget PickAmazon Basics
Amazon Basics Epsom Salt 3 lb (Unscented)
USP grade unscented Epsom salt, 3 lb bag, $3.35 — you can't beat this for cost. Works perfectly as MgSO4 in any nutrient formula.
$3.35USD
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LORDEM
LORDEM Full Spectrum Desk Grow Light
Height-adjustable desk grow lamp — the most popular indoor grow light on Amazon. Auto timer, 4 dimming levels. Fits any countertop system.
$18.99USD
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MARPHYL
MARPHYL Organic Trace Mineral Blend 24oz
Organic liquid trace mineral blend — 13,000+ reviews. Improves micronutrient uptake and adds trace elements not in typical formulas.
$24.99USD
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Best SellerGeneral Hydroponics
GH Rapid Rooter Plugs 50 Count
Made from composted bark — 12,700+ reviews. The most trusted propagation plug for seedlings and cuttings in hydroponics.
$18.99USD
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Best SellerSpider Farmer
Spider Farmer SF1000 100W Full Spectrum
Best-selling grow tent light — covers 2×2 or 3×3 ft, Samsung LM301B diodes, dimmable. The benchmark for entry-level grow tents.
$69.99USD
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Best SellerElement Nutrients
Flower Fuel P+K Bloom Booster 250g (MKP-based)
10,000+ reviews. Phosphorus and potassium concentrate (1-34-32) used by hobbyists as a bloom-stage MKP substitute. Easy to dose.
$21.97USD
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TOYPOPOR
TOYPOPOR Clay Pebbles 2.2lb Hydroton
Most popular clay pebbles on Amazon — 9,600+ reviews. Lightweight, reusable, pH neutral. Perfect for DWC, NFT, and pots.
$9.99USD
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plantonix
plantonix Coco Coir Bricks 5-Pack OMRI
OMRI-listed organic coco coir — 5 bricks expand to fill large planters. pH balanced, low EC, top choice for coco grows.
$24.99USD
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Earthborn Elements
Earthborn Elements Epsom Salt 1 Gallon Bucket
1-gallon resealable bucket — best bulk option for active growers. All-natural MgSO4, no additives.
$23.99USD
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PURE ORIGINAL INGREDIENTS
Pure Original Ingredients Epsom Salt Food Grade 1 lb
1 lb food-grade MgSO4 — single ingredient, no additives. 6,000+ reviews. Reliable and dissolves completely in water.
$7.99USD
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Budget PickJuhefa
Juhefa Gooseneck Grow Light 6000K
Flexible gooseneck clip-on at 6000K full spectrum. Auto timer, 5 dimming levels. Perfect for seedlings and small setups.
$8.99USD
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Pro PickBluelab
Bluelab pH Pen (Professional)
Industry standard in commercial hydroponics. Waterproof, floats, ±0.1 pH accuracy, auto temperature compensation. Made in NZ.
$89.96USD
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Budget PickAQUANEAT
AQUANEAT 80 GPH Submersible Pump
80 GPH submersible water pump at under $6 — 4,500+ reviews. Runs drip and recirculating systems in small to mid reservoirs.
$5.99USD
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Top RatedLegigo
Legigo 7LB Organic LECA Pebbles
100% natural organic LECA — 4.7 stars across 4,000+ reviews. Mixed 4–16mm for good drainage and root aeration.
$19.99USD
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SANSI
SANSI Clip Grow Lights 2-Pack 5V
USB-powered 5V clip lights — safe, low heat, auto timer. Great for multi-pod countertop gardens where lights per pod matter.
$35.99USD
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Best SellerGeneral Hydroponics
GH FloraMicro 5-0-1 16oz (Micronutrients)
The industry-standard micro source — Fe, Mn, Zn, B, Mo, Co, all chelated for bioavailability. 16oz liquid, 3,600+ reviews.
$13.29USD
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Top RatedApera Instruments
Apera PH60 Pocket pH Tester Kit
±0.01 pH accuracy with a replaceable probe — extends lifespan and keeps readings consistent. Pro-grade reliability.
$79.77USD
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Best SellerAhopegarden
Ahopegarden 10-Pod Indoor Garden
Most popular countertop hydroponic garden — 10 pods, full spectrum LED, quiet pump, height adjustable. 3,000+ reviews.
$59.99USD
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GuDoQi
GuDoQi 4-in-1 pH EC TDS Temp Combo
All four readings in one pen — pH, EC, TDS, and temperature. Great for quick daily reservoir checks.
$9.99USD
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VIVOSUN
VIVOSUN 5×5" Air Stone Disc
Large disc air stone for maximum oxygen diffusion — 2,700+ reviews. Fits most 5-gallon DWC buckets perfectly.
$14.99USD
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Best SellerSimple Deluxe
Simple Deluxe Multi-Outlet Air Pump
Multi-outlet air pump with adjustable flow per port. Power multiple DWC buckets from one unit — popular for multi-plant setups.
$34.86USD
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Best SellerPowerGrow Systems
PowerGrow Calcium Nitrate 5 lb
5 lb bag — the most popular calcium nitrate on Amazon with 2,000+ reviews. Good value, dissolves easily.
$17.59USD
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Pro PickBESTVA
BESTVA DC2000 Full Spectrum LED Panel
Dual-switch Veg+Bloom panel with quiet cooling fan. Covers 4×4 ft for flowering. Built for serious grow tent setups.
$130USD
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Best SellerSouthern Ag
Southern Ag Chelated Liquid Iron 1 Gallon
1-gallon liquid chelated iron — most popular iron supplement on Amazon. Best value per litre. 6% Fe, EDTA chelated.
$28.16USD
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Budget PickORIMERC
ORIMERC 3" Net Cups 12-Pack + Wicks
12 net cups with self-watering wicks and plant labels — the essential accessory for mason jar Kratky and DWC setups.
$7.32USD
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Complete KitLETPOT
LETPOT 12-Pod WiFi + App Controlled
Smart hydroponics — WiFi connected, app controlled, 24W grow light, 5.5L tank, auto timer. Full control from your phone.
$120USD
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Southern Ag
Southern Ag Calcium Nitrate 5 lb
Trusted agricultural brand. 5 lb bag — widely available, consistent quality, works well in both DWC and NFT systems.
$19.99USD
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Budget PickDave Ocean33
Standard Hydroponics pH Up + Down 10oz
Straightforward pH Up and Down in 10oz bottles. Simple, effective, and the best-value adjuster kit on the market.
$16.97USD
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Top RatedGeneral Hydroponics
General Hydroponics pH Up + Down 1 Qt
1-quart bottles of GH's trusted pH Up and pH Down — larger volume for regular growers who adjust nutrients frequently.
$27.19USD
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Knifel
Knifel 300 GPH Submersible Pump
300 GPH with overheat protection and 6ft lift height. Good for larger NFT and flood-and-drain systems.
$27.99USD
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Budget PickGrow More
Grow More 10% Iron Chelate Concentrate 24oz
24oz liquid concentrate (3-0-1, 10% Fe). Easy to dose — just add a few ml per litre. Works at pH 5.5–7.0.
$21.99USD
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Legigo
Legigo 1" Rockwool Cubes 100 Plugs
100 starter plugs for seeds and cuttings. Ideal for germination and cloning before transplanting into DWC or NFT.
$8.99USD
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Grow More
Grow More EDDHA Iron Chelate 6% 1 lb
EDDHA chelate stays stable at pH 7–9 — better than EDTA for growers with alkaline water. Dry powder, 1 lb.
$28USD
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Ahopegarden
Ahopegarden 12-Pod with LCD Display
Upgraded 12-pod version with LCD touch panel showing temp and humidity. Excellent for tracking grow environment.
$59.99USD
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YINMIK
YINMIK 4-in-1 pH EC TDS Temp (Backlit)
Waterproof with backlit screen — ideal for reading in dim grow rooms. Shows pH, EC, TDS, and temp simultaneously.
$19.99USD
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Budget PickURUQ
URUQ 8-Pod Indoor Herb Garden Kit
8-pod countertop system with LED grow light and quiet water pump. Best entry-level kit for herbs and leafy greens.
$37.99USD
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Cz Garden Supply
Cz Garden Calcium Nitrate 5 lb (Made in USA)
Greenhouse grade, made in USA. 5 lb bag. Marketed specifically for hydroponics, tomatoes, and blossom end rot prevention.
$19.99USD
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Pendelton Turf Supply
Jackpot Micronutrient Liquid Mix 32oz
32oz liquid micronutrient blend — Fe, Mn, Zn, Cu, B, Mo. Works in soil and hydroponic systems. Concentrated formula.
$24.95USD
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FoxFarm
FoxFarm pH Down 1 Qt (Citric Acid)
FoxFarm's citric acid-based pH Down — gentler than phosphoric acid formulas. Good for organic and coco coir grows.
$25.99USD
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Down To Earth
Down To Earth Potassium Sulfate SOP 1 lb
OMRI-listed organic SOP (0-0-50), 1 lb fine 200-mesh powder. Dissolves cleanly in reservoir water, no residue.
$19.89USD
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Foster & Thrive
Foster & Thrive Epsom Salt 1 lb USP
USP-certified Epsom salt — the pharmaceutical grade. 1 lb resealable pouch, unscented, 100% MgSO4.
$9.39USD
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Haifa
Haifa KNO3 Potassium Nitrate 4 lb Granulated
Haifa is one of the world's largest KNO3 manufacturers. 4 lb granulated technical grade — dissolves well at room temperature.
$21USD
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Haifa
Haifa KNO3 Potassium Nitrate 4 lb Milled
Same Haifa quality, finer milled grind — dissolves noticeably faster than granulated. Better for concentrated stock solutions.
$23USD
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Budget PickHumco
Humco Potassium Nitrate FCC 4 oz
FCC (Food Chemical Codex) grade. Smallest size available — good for beginners mixing a first reservoir.
$17.95USD
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Cz Garden Supply
Cz Garden MgSO4 Epsom Salt 5 lb OMRI
OMRI-listed for organic growing. 5 lb bag explicitly marketed for hydroponics, gardens, and holistic herbs.
$17.77USD
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Budget PickGreenleaf Nutrients
Greenleaf Nutrients Ca(NO3)2 1 lb
1 lb starter size — perfect for testing your first batch. Greenhouse-grade calcium nitrate (15.5-0-0), fully water-soluble.
$8.99USD
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Spider Farmer
Spider Farmer 7-Gallon DWC System
Traditional Deep Water Culture for serious growers — 7-gallon bucket, air pump, air stone, net pots all included.
$99.99USD
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Top RatedCz Garden Supply
Cz Garden SOP Potassium Sulfate 3 lb OMRI
3 lb bag, OMRI organic certified. Low-chloride formula enhances fruit colour and taste. Made in USA, water-soluble.
$24.99USD
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Generic
Potassium Nitrate KNO3 Powder 1 lb
Laboratory grade KNO3 1 lb powder — high purity, fast-dissolving. Good step up from the starter size.
$18.99USD
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Budget PickGeneric
MKP 0-52-34 Haifa Grade 2 lb Water Soluble
2 lb of pure MKP (0-52-34), Haifa-grade — the same purity used in commercial hydroponic operations. Fully water-soluble.
$19.99USD
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Pro PickGreenway Biotech
Greenway Biotech Fe-EDTA 13% 1 lb (Made in USA)
Pure Fe-EDTA 13% — the exact form used in professional hydroponic formulas. 1 lb dry, 100% water soluble, Made in USA.
$28.99USD
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Budget PickTPS NUTRIENTS
TPS Nutrients Potassium Sulfate Liquid 8oz
Liquid K2SO4 in 8oz bottle — easiest way to start. Just a few ml per litre. Good for small home systems.
$11.99USD
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Pro PickJack's Classic
Jack's Elementals Soluble Traces 1 lb
Professional dry trace element mix — designed for continuous liquid feed programs in hydro. 1 lb powder, fully water-soluble.
$26.87USD
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Go Garden
Go Garden MKP 0-52-34 Foliar 900g
900g water-soluble MKP labeled specifically for foliar spray and hydroponic use. Dissolves fully, no residue.
$49USD
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Top RatedCCS Consolidated Chemical
CCS Monopotassium Phosphate Food Grade 1 kg
Food-grade (Kosher/Halal) MKP — the purest form available on Amazon. 1 kg fine powder, fully water-soluble.
$34.99USD
Shop on AmazonMore products coming soon
UK & SE Asia links · EC controllers · Timers · Submersible pumps · Grow tents
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