The HLG 300L Rspec was a second generation LED grow light produced by the Horticulture Lighting Group.
With it's 2 x Quantum Board 272 LED chip design with 16 additional red diodes per board it was one of the first high spec LED veg grow lights.
The HLG 300L was a step on in the evolution of the legendary HLG 300 V2.
Unfortunately this lamp is discontinued. Great news, we have something even better for you.
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HLG 300L Rspec
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flanderz
Needs more N or is this just a pH problem?Neighbor has been taking care of my plants for the past 10 d...
Leaves. Color - Yellow
a year ago
1
3
Solved
MrHightimes
LST rookieWondering about LST. I tried it this week. Its "outgrow...
Techniques. LST
4 years ago
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Oofoofoof
hoping to catch earlyWhats going on here? I feel like this starts to happen at th...
Leaves. Color - Mottling
3 years ago
1
1
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flanderz
Is this nutrient burn?I'm pretty sure this is nutrient burn. Using hot soil w...
Leaves. Edges burnt
2 years ago
1
3
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MrHightimes
Not sure if this is natural or not? yellow fan leaves at bottomEither N def or overwater? Added a bit more micro and Beast...
Leaves. Color - Yellow
4 years ago
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