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Sun to Fri 9am-7pm ET
Grand Master lights deliver powerful grow lighting built for indoor growers who demand precision, durability, and high output. Known for their multi-channel spectrum control and water-resistant construction, these lights give you full control over your environment from seed to harvest.
For the best PAR consistency we have ever seen on a grow light with added diodes on the edges checkout GML's 4x4 and 5x5 tent grow lights.
Popular Grand Master lighting picks like the Tarantula Borg Evolution V2 and V3 offer intense full-spectrum coverage with Samsung EVO diodes and customizable tuning. Grandmaster LED lights' Tarantula Voyager packs the same top-tier performance with added versatility for various grow spaces. Expect unmatched consistency, rugged build, and proven results in every fixture.
Drive explosive bloom cycles efficiently with powerful full-spectrum lighting ideal for tight grow spaces. For commercial growers, vertical farms, ...
View full detailsBoost flowering yields and canopy penetration efficiently in compact, low-clearance spaces and grow tents. For growers working in low-clearance spa...
View full detailsFine-tune flowering and plant morphology precisely with warm-spectrum 2200K booster bars built to last. For serious cultivators looking to fine-tun...
View full detailsBoost canopy penetration and spectral precision with ultra-efficient 10W light bars—built to scale, daisy-chain, and thrive in humid grow environme...
View full detailsBoost lower bud sites with high-efficiency side or under canopy lighting that’s waterproof, compact, and easy to install. This side and under canop...
View full detailsThe fan seems well designed and built. The design allowed installation in hard duct work w/o needing a flex section. Not necessary in most installations, but important in mine. Whisper quiet at low speeds. Pleased to discover that the speed control returned to the last selected speed after a power failure.
Replacement Screens for Bubble Magic Pollen Tumblers (All Sizes)
Fast shipping and good customer service!
So far just starting a run, but all is well. I’m playing with the light height and intensity as the run progresses. Easy setup no issues a solid light. I’ve owned dozens of grow lights over decades of growing HGL 350 appears to be on par with the others I’ve owned and still do.
Dulytek presses are outright dangerous, missing crucial pieces can lead to serious injury. I had missing washers on top of cage springs that launched the nuts and clips like bullets.