Pay in 4 interest-free payments of $8.25 Learn more
Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
To sample CO2 levels in room air further from the controller (up to 30’ away)
They are safer to use as well as compared to mineral based adjusters
• Easy access to all readings and settings from your phone
you need to bring the nutrients to them
• Day/Night Humidity Setpoints
Grotek Insta-Green HGC732537 To sample CO2 levels inInsta Green is a dark greening solution, scientifically formulated to bring plants back to a lush, dark color and vigor. Insta Green will eliminate yellow leaves in seedlings and cuttings. Use Insta Green when plants are stressed due to underfeeding or transplanting until vigor has returned. Best used as a foliar spray in both indoor and outdoor applications.