Recently cleaned my Grobo, calibrated and the whole 9. Now the air stone and pump aren’t working… ffs 
Any ideas? Thnx
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Did you put in a ticket with Grobo?
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I tried, I’m having a great deal of a hard time dealing with their “zen desk”. Luckily I bought a spare pump about a year ago. Hopefully they’ll get back to me and at the least send a replacement pump since my unit is still under warranty.
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