What is the Treegers 300W GL300W LED and what size grow space is it best for?
The Treegers 300W GL300W LED is a compact, bar-style, full-spectrum grow light designed for up to 1.0m x 1.0m coverage. It’s ideal for small tents, micro grows, or tight multi-layer setups. For higher intensity, it can also be run over a smaller 0.8m x 0.8m footprint.
Can I use the Treegers 300W GL300W LED for all grow stages?
Yes—it’s designed for full-cycle use, including seedlings, clones, veg, and flower. The spectrum includes white diodes and 660nm deep red for balanced growth, tight node spacing, and strong flowering response.
How much power does it use and how efficient is it?
The Treegers GL300W draws 300W and outputs 825 μmol/s PPF at 2.8 μmol/J efficiency. It converts power into plant-usable light very efficiently—more output, less waste compared to older tech like HID or blurple LEDs.
Does the Treegers 300W GL300W LED support dimming?
Yes—it supports 0–100% dimming in 10% steps via a compatible 0–10V dimmer or controller like the Treegers Precise T Dimmer. You can also link multiple fixtures to a single controller for group dimming.
What dimming levels and heights should I use for each stage?
Start seedlings at 10–30% and hang higher. For veg, 40–70% is typical. Flowering usually runs at 70–100% if your temps, airflow, and feeding can keep up. Always monitor plant response and adjust height or intensity if you see stress.
Can the Treegers 300W GL300W LED cause light burn or stress?
Yes—like any strong LED, it can if run too close or too intense. Bleaching, tacoing, or curling usually means it’s time to raise the light or dim it. Start soft and ramp up gradually for best results.
Does it run hot or make noise?
It runs cooler than HID but still produces some heat—ensure good airflow and extraction. There’s no fan, so it’s silent and uses passive cooling for better reliability and less maintenance.
Is the Treegers 300W GL300W LED waterproof or easy to clean?
It’s IP66 rated—resistant to dust and strong water jets—but don’t spray it directly. To clean, unplug it, let it cool, and gently wipe with a slightly damp microfiber cloth. Never spray cleaners directly onto the fixture.
What are the size and weight of the Treegers GL300W, and is it easy to hang?
It measures about 600 x 700 x 41 mm and weighs around 4.2 kg. Most grow tent frames can handle it easily. It includes stainless hanging cables, or you can use rope ratchets for adjustable height.
What input voltage and certifications does the Treegers 300W GL300W LED support?
It supports 120–277V, 50/60Hz input with a power factor >0.95 for electrical efficiency. Certifications include CE, UKCA, RCM, RoHS, and SAA for safety and compliance.
How long does the Treegers 300W GL300W LED last and is it covered under warranty?
The LED bars are rated for 60,000+ hours under normal conditions. The fixture includes a 3-year warranty—check with the seller for specific warranty terms and conditions.
Can I use the Treegers GL300W with a timer, CO₂, or LED glasses?
Yes—you can run it on a quality timer. CO₂ isn’t required but can help in high-PPFD environments. LED grow glasses aren’t essential but make inspections more comfortable and accurate under bright light.
Why won’t my dimmer work or why is the light not turning off?
Check that the dimmer is 0–10V compatible, cables are fully seated, and it’s connected to the correct port. Some drivers treat 0V as minimum brightness, not full off. Always power down before plugging/unplugging control cables.
What should I do if my Treegers GL300W arrives damaged?
Don’t plug it in. Take clear photos of the packaging and the unit, and contact us at DrGreenthumbs.com.au so we can help resolve it under warranty or replacement policy.
