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DIY Air-stones  

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dR
 dR
(@dryken)
Stoner Admin

Drilling a hole in a Lava Rock, adding some air tubing and a cheap pump = a DIY effective air stone!

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I submerged the rocks under water for 24 hours before drilling a 1/4” hole (used a concrete drill bit). Make sure to clean the rocks before using In a feeding reservoir. 

🌱Cannabis Live Grow : https://www.twitch.tv/thebudlabca

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Posted : 01/05/2019 10:04 am
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