Are perlite and river pebbles be used as s bubbleponic grow medium?

:dunce:I'm prety new at this and I would appreciate the advice thanks. I believe i can use this mix but i wanted to check with thw riu fam
 

hotrodharley

Well-Known Member
I have used pumice (rinse well to clean dust) BBQ grill lava (rinse well before use to remove red oxide dust), polished fish tank gravel, pea gravel I took for a highway repair area. Wash anything well and disinfect with clorox:water at 1:100 to kill any unwanted guests.
 
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