Skip to main content

Send Us a Message

Search

Dialed In

Overhead lighting only tells half the story. Every fixture mounted above the canopy floods the top colas while the lower bud sites sit in shadow, finishing as underweight larf that gets trimmed off and tossed. The Tri-Spec 150W corrects that gap by putting tunable, three-channel spectrum directly underneath the plant, where overhead light never reaches. Pair it with the Tri-Chan controller and every channel becomes a dial instead of a guess, turning wasted lower-canopy weight into finished, sellable flower.

Free Shipping on Most Items
We Price Match
Easy Returns

Buyer's Guide

Dialed In: Complete Guide

Reach the Bud Sites Overhead Light Leaves Behind

Fixed-spectrum lighting can't adapt as a plant moves from stretch to finish, and by the time the shortfall shows up in the scale, that weight is already gone. Dialed In builds the fixture and the controller as one system, so the spectrum hitting the lower canopy changes on command instead of staying static all season.

Tunable Output That Matches the Growth Phase

The Tri-Spec isn't a single fixed output pretending to be flexible — it runs three independently tunable channels, and the controller that drives them turns spectrum shifts into a scheduled, repeatable step rather than a manual chore.

  • Three Independent Channels: The Tri-Spec 150W separates Full+Red, Far-Red, and UV, so structure-building, canopy penetration, and resin production can each be dialed in on their own instead of fighting over one fixed spectrum.
  • Automated Recipes and Sensing: The Tri-Chan's 4.3" touchscreen builds custom spectrum recipes by phase or cultivar, schedules sunrise-to-sunset transitions, and reads live temperature, humidity, and PPFD data instead of leaving those calls to guesswork.
  • Built to Run Silent and Stay Reliable: Passive cooling means no fans pulling contaminants through the flowering room, and an L80 rating past 50,000 hours keeps output consistent run after run.

Sizing a Under-Canopy System to the Room

The right setup depends on how many rows need coverage and how the fixtures will be wired together.

  • Single-Row or Tent Grows: One Tri-Spec fixture slots beneath the canopy of a single row without adding another zone to manage.
  • Multi-Row Commercial Rooms: Because the fixture daisy-chains up to eight units per circuit, a 6-meter daisy-chain cord links fixtures across wider rows, while the 3-meter version handles tighter row spacing.
  • Centralized Dimming: A 0-10V power cord connects each fixture back to the Tri-Chan controller, so an entire daisy-chained row dims and shifts spectrum together instead of fixture by fixture.

Getting the Most Out of Under-Canopy Lighting

A few placement and scheduling habits make the difference between a wasted add-on and a real yield gain.

  • Mount Low and Angle Inward: Position fixtures close enough to the lower canopy to reach shaded bud sites without scorching foliage directly beneath the diodes.
  • Shift Spectrum by Phase: Lean on Full+Red for structure early, bring in Far-Red for canopy penetration, then ramp UV in the final weeks to push resin and terpene development.
  • Pair with Overhead Coverage: Under-canopy fixtures supplement rather than replace a primary overhead LED grow light — the top canopy still needs its own full-spectrum source.

Dialed In turns the lower canopy from a write-off into finished weight, with the controller ecosystem to back it up. For a deeper look at why this layer matters, see why every indoor grower should consider under-canopy lighting, and browse the full under-canopy lighting selection for additional brands and formats.

Frequently Asked Questions

What makes the Tri-Spec different from a standard under-canopy LED?
Most under-canopy fixtures run one fixed spectrum for the entire cycle. The Tri-Spec 150W separates output into three independently tunable channels — Full+Red, Far-Red, and UV — so the spectrum reaching the lower canopy can change as the plant moves through its growth phases instead of staying static.
Do I need the Tri-Chan controller to run the Tri-Spec fixture?
The Tri-Spec can run on a basic on/off or standard 0-10V connection, but without the Tri-Chan controller each channel loses independent control. The controller is what unlocks per-channel dimming, custom recipes, and scheduled spectrum shifts.
How many Tri-Spec fixtures can be daisy-chained together?
Up to eight Tri-Spec fixtures can be linked on a single circuit using the daisy-chain cords, which keeps wiring clean across multi-row commercial rooms instead of running a separate power drop to every fixture.
Is the Tri-Spec fixture rated for humid flowering rooms?
Yes. The fixture carries an IP66 rating for washdown environments and cools passively with no fans, so it holds up in the higher humidity typical of a late-flower room without pulling in moisture or debris.
What does the Tri-Chan controller's sensor input actually do?
The Tri-Chan accepts plug-in sensors for temperature, humidity, and PPFD, giving a real-time read on room conditions rather than relying on scheduled guesses. Dual RS485 ports also allow the system to expand as more fixtures are added.
Should under-canopy lighting replace the main overhead fixture?
No. Under-canopy lighting supplements the primary overhead light rather than replacing it. The overhead fixture still needs to cover full-spectrum output for the top canopy, while the Tri-Spec fills in the shaded bud sites underneath.
How long do Dialed In fixtures last before output starts dropping?
The Tri-Spec carries an L80 rating past 50,000 hours, meaning output stays above 80% of initial brightness through that runtime, and it's backed by a 5-year manufacturer warranty.
Which cord connects fixtures in a daisy-chain, and which one powers the controller link?
The 3-meter and 6-meter daisy-chain cords link fixture to fixture along a row, while the 0-10V power cord runs the dimming signal back to the Tri-Chan controller so the whole chain responds to one set of commands.
Expert Support

Need Help Choosing the Right Equipment?

Our team is here to help. Call us or browse our curated guides.