Reply To: Is 2 inch of pebles from the bottom OK?

July 25, 2019 at 3:28 am #205
Josh
Keymaster

Only 1 inch / 25mm max ….. too high and the water will not wick up ….. you’ll get away with 2 inches if you top water until the roots are down at the bottom.

  • This reply was modified 1 year, 4 months ago by Josh.