Sunmaster Metal Halide Grow Lamps

In stock online
Standard Delivery £6.95*
Free Delivery - orders +£65 Free Delivery - orders +£65
Plain Packaging Used Plain Packaging Used
Click and Collect Click and Collect
Product Name Qty Price
Sunmaster Metal Halide - 250w
Sunmaster Metal Halide - 400w
Sunmaster Metal Halide - 600w
Sunmaster Metal Halide - 1000w


The Sunmaster Metal Halide grow lamps are a staple for old school growers who prefer to use a dedicated blue lamp for vegetative growth rather than a dual spectrum.

Producing a predominantly blue spectrum, Sunmaster Metal Halide’s will keep internodes closer together, allowing plants to stay squat, but also encouraging stalks and stems to become robust during the 18/6 light schedule. This gives plants a strong framework before they begin the crucial flowering phase.

Once lights are switched to 12/12, a dedicated red spectrum grow lamp should be used as the main lighting source, but the Sunmaster Metal Halide can still be used as a supplementary light, helping encourage greater fruiting and flowering, along with increased essential oil production.


250w, 400w, 600w & 1000w variations, they also come with an E40 that is a standard fitting for most grow room reflectors and cool tubes.

Delivery & Returns
Free Delivery
We are pleased to offer free standard shipping to UK Mainland on all orders over £65.00 *Heavy item surcharges are still applicable.
Next Day Delivery
In a hurry for your order? Order before 1 pm Mon - Thurs for next working day delivery *subject to stock availability T&C's apply.
Different delivery address?
Do your goods need shipping to an alternative address? If so, paying by bank transfer gives you the freedom to have them delivered to anywhere in the UK.
Free Returns
Faulty or damaged item? No problem, contact us on 0800 038 7100 or email customer service and we can arrange a free collection.
Plain Packaging
All parcels, no matter how big or small, are dispatched in plain packaging using black wrap that's secured using 'fragile' tape.
How to Pay
Credit / Debit Cards
We accept all major credit and debit cards. Please note: When paying by credit card we can only ship to the card statement address.
Simply select this option at checkout if you prefer to pay through PayPal. Please note: When paying by PayPal, we can only ship items to the account owners confirmed address.
Bank Transfer
Select the option for Bank Transfer at checkout if you wish to receive your item anywhere within the UK. Please use your order number as payment reference.
Split your purchase into manageable payments. Buy now and pay in 30 days or in three interest-free instalments with Klarna.
Click & Collect
Collect your online orders in as little as under an hour*! Simply pay online, choose your store & collect for free! Available from Manchester & Huddersfield (*subject to stock availability).
Brand Sunmaster
Products Details
Lamp Type Metal Halide
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