Best LED Grow Lights for Every Tent Size: 2026 Buying Guide

Samsung diodes and a Meanwell driver in a small, silent 100W board, sized for a 60cm tent.

• 100W
• 277 µmol/s
• 2.7 µmol/J
• 60 × 60cm core

• Onboard dimmer and passive cooling, so no fan noise
• Yo-Yo hanger included, with a three-year warranty
• At 100W it runs on most standard timers

Know before you buyRight for leafy crops, herbs and young plants. For heavy fruiting crops in a 60cm tent, the Omega Infinity 200W run dimmed gives more headroom.

The right output for an 80cm tent at a fair price, in a slim, fanless panel.

• 200W
• 540 µmol/s
• 2.7 µmol/J
• 60 to 80cm tents

• Just 7.5cm deep and 4.1kg
• IP65 rated and silent
• Rated for 60,000 hours

Know before you buyDimming is four fixed steps (25, 50, 75 and 100%) on the light itself, rather than a smooth dial.

The right light for a standard 1m tent, for the least money.

• 300W
• 815 µmol/s
• 2.7 µmol/J
• 1 × 1m

• Dims in five steps from 20 to 100%
• IP65, pre-built with its driver and ready to daisy-chain
• L90 over 60,000 hours: still 90% of its output at that age

Know before you buyThe frame is 65cm square and 5.3kg, so it suits a 1m tent but will not fit a smaller one.

Built for exactly a 1.2m square, with even, lens-free coverage and a four-year warranty.

• 480W
• 1,104 or 1,344 µmol/s
• 2.3 or 2.8 µmol/J
• 1.2 × 1.2m

• Lens-free ladder bars spread light evenly, with no harsh hotspots
• Silent passive cooling and IP65 rated
• Dims from 25 to 100%

Know before you buyThe standard model’s 2.3 µmol/J costs more to run for the light you get. For a full canopy of fruiting crops, the PRO is the better match.

Strong output and efficiency for a 1.5m tent, without premium money.

• 720W
• 2,160 µmol/s
• 3.0 µmol/J
• 1.5 × 1.5m

• Runs at 250W, 400W, 600W or Boost, so it eases in over young plants
• Six folding bars, 5.5kg, rope ratchets included
• 0–10V RJ12 port links up to 100 fixtures

Know before you buyAt full power that is 720W of heat in the tent, so size your extraction for it. The warranty is two years.

The cheapest way to light a 1.5m tent properly, with measured coverage figures.

• 720W
• 1,944 µmol/s
• 2.7 µmol/J
• 105 × 106cm

• Average 672 and peak 1,090 PPFD across 1.5 × 1.5m at 50cm
• Dims 25–100% on the light, plus 0–10V
• Integrated driver and six folding bars

Know before you buyIt gives about 10% less light than the Varidrive V3, for £17 less.

For a 1.2m tent, and the 3.1 version is the most efficient light here: more of every watt becomes light, not heat.

• 465W
• 1,353 or 1,450 µmol/s
• 2.9 or 3.1 µmol/J
• Up to 1.2 × 1.2m

• Remote-mountable driver
• Stepped 0–10V dimming: off, 25, 50, 75, 100%
• IP65 rated, with a 60,000-hour life

Know before you buyAt about 10kg it is heavy. Check your tent frame’s load rating and hang it from two points.