I don't know, but they are fairly small. The first one drained in 24 hours. The refill is still half full after 24 hours.

Np idea. I can't even estimate ML. I understand ounces.

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[2 PCS] Light Iridescent Rainbow Gradient Color Clear Glass Self-Watering System Spikes, Self Watering Globes, Self Watering Bulbs, Automatic Plant Waterer Bulbs

Q: Do they cause fires if they're near a window?

Seriously, though, if you’re worried about the glass bulb acting as a magnifying glass, the glass is likely too thin to act as a significant lens. But if it does explode, as Devon said, it will self-extinguish.

Q: Can this be used for outdoor flower beds? Or will the water evaporate too quickly?

Personally, I think the water will evaporate to quickly

4.5/5

Product ID: 439337616

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[2 PCS] Light Iridescent Rainbow Gradient Color Clear Glass Self-Watering System Spikes, Automatic Plant Waterer Bulbs

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[2 PCS] Light Iridescent Rainbow Gradient Color Clear Glass Self-Watering System Spikes, Self Watering Globes, Self Watering Bulbs, Automatic Plant Waterer Bulbs

Have a Question? See What Others Asked

Do they cause fires if they're near a window?

What is the Capasity

How many ml?

Can this be used for outdoor flower beds? Or will the water evaporate too quickly?

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Good experience, but the tracking updates could be better.

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€ 55.76

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TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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