If you add more perlite to your soil mix, the roots get more oxygen everytime you water. I really don't see air injection being helpful enough to make a difference.
Smallville Reviewed by Smallville on . O2 Injections to Roots...... So I have an extra aquarium bubbler air pump. Decided to run tubing into the bottom of a couple pots to inject some O2 directly into the soil. I've been wanting to try this for a while and decided to go ahead. I set the timer to run for 15 min every hour of light. On 18/6 right now. My thoughts on this are that roots love to be in an oxygen rich environment so by directly injecting O2 into the soil, it should promote growth. I'm going to keep an extra eye on them to see if it does make a Rating: 5