Why Do Some Grow Lights Look Pink or Purple?
Purple grow lights mix blue and red LED chips. White ones start from the same blue chip. Here is what the research found when it compared the two directly.
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Do Succulents and Cacti Need a Grow Light Indoors?
Usually yes. Iowa State puts succulents in the 12 to 16 mol high light band while foliage plants get 3 to 6. Spot the stretching before it is permanent.
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Anxious Overwatering: How to Break the Habit for Good
Knowing the soil-check rule does not stop anxious overwatering. Here is why the habit persists anyway, and a concrete way to actually break it.
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How to Water a Hanging Plant Without Making a Mess
Three real ways to water a hanging plant, what each costs in effort and mess, and how to tell it is thirsty without reaching up to touch the soil.
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Do Grow Lights Use a Lot of Electricity? The Real Math
What a grow light really costs to run: watts x hours ÷ 1,000 x your rate, worked out on a normal houseplant setup. Plus the catch on box wattage.
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Do I Need a Grow Light? How to Answer It Honestly
Extension services do not agree on what low light means, and the gap between their scales is wider than the gap between two rooms. Here is how to decide anyway.
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How to Tell If Your Grow Light Is Working
You can check a grow light on paper before you wait months for the plant to answer. Here is the arithmetic, the target to compare it against, and the plant test.
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Hard Water & Mineral Buildup on Houseplant Soil: What to Do
White crust on your potting soil? Here is what causes it, how to tell if it is actually hurting your plant, and the flush routine extensions recommend.
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Can Any LED Bulb Work as a Grow Light?
The honest answer is partly. An ordinary LED bulb emits light plants can use. What it usually cannot supply is enough of it, over enough area, to matter.
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Grow Light Distance: How Far From Your Plant?
Most distance charts online are written for grow tents, not living rooms. Here is the published houseplant guidance, and how to find the right height yourself.
