By continuing to use the website or clicking Accept you consent to our cookies and personal data policy and confirm that you are at least 18 year old. For details please see Privacy Policy and Terms
<span class="link_user">@DanM1727</span>,
Also, if you use garden sand and layer the top of the soil with it, it stops green fly and other gnats as they lay their eggs in the soil and hate the sandy soil. Solved the problem on two different grows for me.
