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General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technicians...
$32.99
General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technicians check each batch to ensure that our solutions are precisely calibrated and yield reliable readings each time they are used.
Bestseller Products
Mars COB 100W Led Grow Light
$295.99
Mars SP-150 LED Grow Light
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Mars Reflector Series LED Grow Lights (48-192)
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Mars II Series LED Grow Lights (400-1600)
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Mars Hydro Pro II EPISTAR Series (80-320)
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Mars-Hydro Pro II CREE Series (128-256)
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Mars COB 100W Led Grow Light
Reliable Brand - Mars Hydro has more than 7 years experience in Grow Tents and LED Grow Lights Mars COB light is a new model, it carries IP65 enclosures which...
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Mars SP-150 LED Grow Light
Mars SP-150 LED Full Spectrum Hydroponic Grow Light Item NO. Mars SP 150 Coverage 2'X2' Max Yield 2.5g/w Compare to HPS/MH/HID 250 watt Draw power 134W + - 5%@AC120V 138.9W...
$329.99
Mars Reflector Series LED Grow Lights (48-192)
The Mars Reflector Series offers powerful LED-based units featuring custom spectrum diffusers to maximize energy efficiency and coverage area. The compact design, cool operating temperatures and extra-large coverage area makes...
From $136.99
Mars II Series LED Grow Lights (400-1600)
Mars II 400 LED grow light Coverage: 2.5'x2.5' (76cmx76cm) Max Yield: 1.8g/watt PPFD: 752 Replace HID/MH: 250W Draw Power:110V/170W±5% / 220V/165W±5% Mars II 700 LED grow light Coverage: 3'x3' (92cm x 92 cm) Max Yield: 1.8g/watt...
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Mars Hydro Pro II EPISTAR Series (80-320)
Mars Hydro has more than 7 years experience in Grow Tents and LED Grow Lights Incredible powerful. Full spectrum, high quality but with an affordable price makes it the best choice...
From $243.99
Mars-Hydro Pro II CREE Series (128-256)
The MarsPro II Cree LED Grow Light is smarter and more powerful than anything Mars Hydro has ever created before. Mars Pro II Cree LED Grow Light with veg and...
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Unit Farm Water-Proof IP 65 Cree Osram Chips Meanwell Driver Grow Bar
Specification:Grow Bar 684 PPE@umol/J: 2.3--2.47umol/J PPFD@umol/m2/s:448--550 Power draw: 200W ±5% Input Voltage: AC85-265V Ampere: 1.458 A/120V 0.7324 A/240V Flower Coverage:2ft*5ft Veg Coverage: 4ft*5ft Spectrum: 450~475nm 620~630nm, 650~660nm, and white Light...
$499.99
Unit Farm UFO LITE LED 200-600
UFO Lite LED grow light The New UFO Lite Series employs the growing popularity of chips - Epistar LEDs. Epistar sits firmly as the premier global supplier today, especially its...
From $199.99
Unit Farm: UFO Cree Series LED Grow Lights (80-320)
The Unit Farm UFO LED grow lights incorporate high-output Cree™ and Osram™ LEDs for ultimate reliability, intensity, and efficiency. The Unit Farm series features Veg and Flower modes to help you save energy during...
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Kind Macro LED Vegetative Bar Lights (2ft-4ft)
The PERFECT bar light for ALL indoor and greenhouse lighting situations where primary or secondary lighting is needed. IDEAL for growing seedlings, clones, microgreens, lettuce, or herbs! A GREAT solution for...
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Kind LED Flower Bar Lights (2ft-4ft)
The PERFECT bar light for ALL indoor and greenhouse lighting situations where primary or secondary lighting is needed. IDEAL for growing seedlings, clones, microgreens, lettuce, or herbs! A GREAT solution for...
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Kind K3 Series LED Grow Lights (300W-600W)
This revolutionary series of LED grow lights will produce the biggest and best yields, while consuming approximately half the electricity and producing virtually no heat. Your Kind LED Grow Light will...
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