Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

HC

Hydro City

Products

Products

Hydro City

Platinum MH 400W

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$30.00

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shop is the next step on our mission to make commerce better for everyone.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Quantity

1

Description

The Platinum MH 400W bulb delivers strong and efficient lighting, ideal for promoting vigorous plant growth during the vegetative stage. With its high-intensity output and enhanced blue spectrum, this bulb supports robust stem and leaf deve...

Delivery & Returns

Hydro City

Hydro City

5 (88)

More from Hydro City

Platinum Super MH 600 Watt

Platinum Super MH 1000 Watt

Platinum HPS Bulb 400 Watt

Platinum HPS Bulb 600 Watt

Platinum Super HPS 1000 Watt

UpUper Rock Wool 1.5" 98 count

Platinum Turkey Bag

Yara Mila 15-15-15 50 LBS

(1)

Nutri-Rich 4-3-2 50 lb

General Hydroponics General Organics BioRoot

2% off

Root Riot Replacement Cubes

Platinum Twist Tie

Related to Hydro City

GrowersHouse

Exclusive offer available

Nursery Pots 5gal tall

Injection Molded Nursery Pots – Gro Pro® Premium

Gro Pro Black Saucers -- 6 Inch Main Image

Gro Pro Heavy Duty Black Saucers

(7)

Common Culture Round Fabric Pots | Tan

(1)

Common Culture Round Fabric Pots - Black

Common Culture Round Fabric Pots - Black

Integra Boost 8g Humidiccant by Desiccare 62% Humidity Packs

(9)

Integra Boost 67g Humidiccant by Desiccare 62%

Integra Boost 67g Humidiccant by Desiccare 62% Humidity Packs

(1)

Gro Pro One n Done Commercial Fabric Pots 2gal

Gro Pro® One 'n Done Commercial Fabric Pots - 2gal - Black - Single-Use

Gro Pro NX Level Pot Elevator - 13 in

Gro Pro NX Level Pot Elevator - 13 in up to 7 gal pots

(3)

Interlux T5 Grow Bulb 4' 3000k

Interlux T5 Grow Bulb 4' | 54W | 3000K Bloom & 6500K Veg

(5)

Mondi Mini Greenhouse 7 inch Propagation Dome Only

Integra Boost 4g Humidiccant by Desiccare 62% Humidity Packs

Super Sprouter AirMax Tray Insert

Super Sprouter AirMax Tray Insert

Modern Farms

4.9

(246)

15% off

MOTHER EARTH COCO + PERLITE 1.8CF 65/pal

(28)

Growpros Telescopic Stands For Model 1 & 2 2 Pcs per Pack Compatible with most under canopy lights

(2)

Little Giant 5-MSP 115-Volt, 1/6 HP, 1500 GPH, Aluminum Manual Hydroponics Pump, 10-Ft. Cord, Blue, 505711

(5)

14% off

Advanced Nutrients Bud Candy

(11)

11% off

Gavita Under Canopy 150W LED 120-277V

(4)

15% off

Advanced Nutrients B-52

(12)

21% off

Root Riot Replacement Cubes

(2)

14% off

Advanced Nutrients Big Bud

(8)

Growpros Under Canopy Light 8ft Model 1 Full Spectrum + 5% IR

Tasty Terpenes 1L

(3)

14% off

Advanced Nutrients Rhino Skin

(16)

Clonex Rooting Gel

(5)

Happy Hydro

Exclusive offer available

Black Grove Bag curing pouch with a clear window, green icons, and label indicating a one-pound capacity for storage.

Grove Bags with TerpLoc, Curing & Storage Bags, Windowed Pouches

(535)

Blue silicone cylindrical float replacement part for AutoPot AquaValve hydroponic watering systems.

AutoPot AquaValve Silicone Replacement – Bottom Float or Top Float

(27)

Black opaque Grove Bag with TerpLoc technology for humidity control, terpene preservation, and curing on a black background.

Grove Bags with TerpLoc, Curing & Storage Bags, Opaque Pouches

(126)

AutoPot 3/8" inline shut-off valve with a black plastic hose connector and a ridged red top for controlling water flow.

AutoPot 3/8" Shut Off Valve Inline Tap

(24)

Empty round Grassroots Living Soil fabric plant pot with tan exterior and white interior lining on a black background.

Grassroots Living Soil Fabric Pots

(49)

AutoPot replacement pots: set of gray and black square plastic pots and round black fabric pots for hydroponic gardening.

AutoPot - Replacement Plastic and Fabric Pots

(34)

Graphic of a pot silhouette containing the text "POT SOCKS" over a brown root system illustration.

AutoPot PotSocks

(34)

Three rectangular sheets of textured brown horticultural fabric fanned out against a white background.

AutoPot Root Control Sheets

(43)

Black wrap-around grow glasses with reflective blue polarized lenses, viewed from a high angle against white.

HPS Grow Room Glasses UV Blocking Wear Over Prescription with Microfiber Case

(4)

Black square hydroponic lid with a central port and perimeter drainage holes, viewed from an angled perspective.

AutoPot AirBase

(81)

Coils of blue and black AutoPot hydroponic tubing for irrigation systems, isolated on a white background.

50% off

AutoPot Tubing

(72)

Black plastic 3/8" AutoPot T-connector for joining irrigation tubing in hydroponic gardening systems.

3/8 AutoPot T Connector

(16)

The Hydro Bros

4.9

(356)

Pipes, Hoses & Fittings Netbow Watering Ring - 12.5cm with 100cm

15% off

Netafim Netbow Watering Ring

(3)

Plastic Pots Plastic Pots – Square & Round Plant Pots for Your Garden

Plastic Pots – Square & Round Plant Pots for Your Garden

(6)

Nutrients Rock Resinator - Heavy Yields

13% off

Rock Resinator - Heavy Yields

(3)

plastic pot saucer 30cm for grow tent

10% off

Round Plant Pot Saucers – Heavy-Duty Plastic Drip Trays for Indoor & Outdoor Plants

(5)

Beakers & Jugs Syringe & Pipettes

Syringe & Pipettes

(12)

Pipes, Hoses & Fittings FloraFlex 3/4″ BSP to 16–17mm Irrigation Fittings – Adaptors, Elbows, Tees & Connectors

FloraFlex 3/4″ BSP to 16–17mm Irrigation Fittings – Adaptors, Elbows, Tees & Connectors

(2)

Pipes, Hoses & Fittings Netafim PCJ Compact Pressure Compensated Drippers

Netafim PCJ Compact Pressure Compensated Drippers

Grow Media Canna Coco Professional PLUS 50L

Canna Coco Professional PLUS 50L

(2)

Grow Media Canna Terra Professional 50L

11% off

Canna Terra Professional 50L

(1)

square pot tray for grow room drainage

25% off

Square Plastic Plant Saucers – Heavy-Duty Drip Trays for Hydroponics & Indoor Growing

(2)

Nutrients Clonex Gel 50ml

Clonex Gel 50ml

(5)

Ducting Combi Ducting

Black Combi Ducting

(2)

Discover top brands

Little Sleepies

Exclusive offer available

Little Sleepies

4.9 (400.8K)

Mandala Scrubs

Exclusive offer available

Mandala Scrubs

4.6 (11.1K)

Culture Kings US

Culture Kings US

Culture Kings US

4.7 (146.6K)

Aviator Nation

Exclusive offer available

Aviator Nation

4.5 (92.2K)

Fashion Nova

4.3 (428.9K)

Rockstar Original

Rockstar Original

Exclusive offer available

Rockstar Original

4.6 (181.3K)

Princess Polly USA

Princess Polly USA

Princess Polly USA

4.5 (408K)

OOFOS

Exclusive offer available

OOFOS

4.5 (176.6K)

32 Degrees

4.7 (227.9K)

Exclusive offer available

The GLD Shop

4.7 (167.9K)