G.A.S. Day & Night Humidity Controller Bulky 8″) to match different lamp

8″) to match different lamp outputs

cutting blue and far-red glare while keeping colour accurate

Both are formulated clean — growers report the veg solution is mostly clear with minimal cloudiness

Keep intensity at 75-100% and ensure extraction runs on higher speed (198m³/h) to manage heat and humidity

You'll lay a spreader mat (thin fabric) across the tray to distribute nutrient solution evenly

G.A.S. Day & Night Humidity Controller Bulky 8″) to match different lampG. A. S. Day & Night Humidity Controller Light Sensing Humidifier Automation Best for: Growers who need to dial in separate humidity levels for lights on and lights off, without the complexity or cost of smart controllers Our thoughts Dead simple, genuinely useful, and won't break the bank. If you're running a humidifier and want it to do different things during day and night phases, this does the job without any faffing about with apps or batteries.