Sun to Fri 9am-7pm ET
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.
Daisy-chain Grand Master Booster Bars with 4ft or 8ft interconnects made for clean installs and rock-solid signal flow. This interconnect cable is ...
View full detailsPower and control with a 10ft power cord and 50ft RJ14 cable for stable, extended fixture connectivity. This power + data cable combo is built for ...
View full detailsCant beat this light meter. It's affordable and easy to use and seems to be accurate.
good price great communication kept me informed on the delivery since the item was back-ordered from manufacture.
These work great and being able to buy in bulk beats the heck out of Amazon pricing.
its ok i don't think its worth the money i only got 150 more par over a 600 watt 6 bar light