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Bulb HPS/MH 150/250 Watt

Quality HPS and MH bulbs in 150 and 250 Watt for compact grows

Trusted names like the Philips Master Son-T PIA Plus 250W, Lumatek HPS 250W, Sylvania Grolux 250W and Superplant Super Red 250W make up our curated selection of 150/250W grow bulbs. Each lamp is purpose-built for compact tents of 60×60 to 80×80 cm where heat management is critical and electricity costs need to stay modest.

A 250W MH bulb delivers the blue spectrum ideal for vegetative growth, while HPS bulbs stimulate flowering with their orange-red output. All fit standard E40 ceramic sockets and run on any 250W ballast — digital dimmable or magnetic. Lifespans range from 24,000 to 36,000 hours depending on model. Fast delivery throughout Belgium.

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Sylvania Grolux 250W red blue optimised plant growth HPS | Bulb HPS/MH

Sylvania Grolux 250 Watt

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Lumatek HPS 250W pulse-start PCA ceramic arc tube lamp | Bulb HPS/MH

Lumatek HPS 250 Watt

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Superplant Super Red 250W HPS grow lamp single ended bulb | Bulb HPS/MH 250W

Superplant Super Red 250 Watt

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Florastar MH 250W packaging E40 base specifications detail | Bulb HPS/MH 150/250 Watt

Florastar MH 250 Watt

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Lumatek MH 250W metal halide grow lamp professional quality | Bulb HPS/MH 150/250 Watt

Lumatek MH 250 Watt

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Our 150/250 Watt bulb range

Big results from small spaces start with the right light. Our 150 to 250 Watt HPS and MH bulbs are purpose-built for compact grow tents where heat control is everything. Plant & Flower stocks three references covering both the vegetative phase (MH, blue spectrum) and flowering (HPS, red-orange spectrum), with trusted brands across the price spectrum.

250 Watt grow bulbs: efficient lighting for compact cultivation

Lower wattages often get overlooked, yet they offer distinct advantages that higher-power setups simply cannot match. A 250W bulb produces roughly 33,000 lumens at reasonable power draw — plenty to light a tent up to 80×80 cm evenly. The reduced heat output means smaller extraction fans, less noise and lower electricity bills, which makes 250W particularly suited to apartments or converted spare rooms where thermal and acoustic constraints matter.

At this power level, the choice between HPS (bloom) and MH (veg) is especially relevant: dual-spectrum bulbs exist but their phase-specific output remains lower than a dedicated lamp. Many 250W growers opt for a two-stage cycle — MH during veg, HPS during bloom — while keeping the same ballast throughout.

Our 3 bulbs 150/250W compared

Lumatek HPS 250W — HPS dual-spectrum 33,000 lm, PCA ceramic arc tube, pulse-start, 28,000 hours, PPF 400 µmol/s
Sylvania Grolux 250W — MH bulb with blue spectrum, the proven reference for vegetative growth
Superplant Super Red 250W — HPS with enriched red spectrum for intense flowering at an accessible price

HPS or MH? Choose by growth stage

HPS bulbs (High Pressure Sodium) emit primarily red and orange light, a spectrum that stimulates flowering and bud development. The Philips Son-T PIA Plus and Lumatek HPS are targeted choices for this phase. MH bulbs (Metal Halide) deliver a blue-rich spectrum, promoting compact vegetative growth — shorter internodes, sturdier stems, tighter leaf structure. The Lumatek MH 250W and Sylvania Grolux cover this requirement. All these bulbs work with a 250W ballast — our ballasts section includes dimmable Lumatek digital models, electronic Superplant and magnetic Optilight, all compatible with both HPS and MH bulbs.

Installation and companion products

For optimal performance, pair your bulb with a quality reflector that channels light onto the canopy — browse our reflectors. If you don't have a ballast yet, the complete 250W lighting kit bundles ballast, bulb and reflector in one package. Replace the bulb every 12 to 18 months: after that period, light output and spectral quality degrade measurably, even if the lamp still appears to work normally.

FAQ - Frequently asked questions about 250W bulbs

HPS or MH: which should I choose at 250W?

HPS bulbs (Philips Son-T PIA Plus, Lumatek HPS, Superplant Super Red) are optimised for flowering thanks to their red-orange spectrum. MH bulbs (Lumatek MH, Sylvania Grolux) support the vegetative phase with their blue-rich spectrum. Experienced growers often use both sequentially with the same ballast to optimise each phase.

What ballast do I need for a 250W bulb?

All our 150/250W bulbs require a ballast rated for their power. A digital 250W ballast (Lumatek, Superplant or Optilight) accepts both HPS and MH without modification, enabling seamless switching between growth phases. All bulbs use a standard E40 ceramic socket, compatible with every ballast in our range.

How long does a 250W bulb last?

Lifespan varies between 24,000 and 36,000 hours depending on the model. The Philips Son-T PIA Plus reaches up to 36,000 hours thanks to PIA technology. Even if the bulb still lights up, replace it after 12-18 months of active use: light output drops progressively by 15-20 % after this period, reducing yields without visible signs.

Is 250W enough for flowering?

Yes, for a tent of 60×60 cm to 80×80 cm, a 250W HPS delivers adequate light intensity for a complete flowering cycle. For larger spaces above 80×80 cm, step up to a 400W model to maintain uniform light density across the full canopy.

Order your 250W bulb from Plant & Flower today and enjoy fast, discreet delivery anywhere in Belgium.