Onion bulb

[baffle]

I put an onion bulb in my tank, Its growing roots, but it floats in the tank like a cork. How do I keep it planted?

 

[underdog5004]

Bury it, just enough to keep it down, you don't want to totally cover it. Onions grow like crazy!

 

[mgamer20o0]

dig a hole put it in cover it out push it down and put more substrate over the top.