30w Growsaber 6500K LED Light - 900mm Color:3000k - Flowering It also meets ETL standards

It also meets ETL standards (certificate #5027708) for electrical appliance safety

Manual dimming

the reason it didn’t appear to work was something simple

Completely non-toxic

Specialised setups create a vortex in the container which is the best way to get oxygen into the compost tea

30w Growsaber 6500K LED Light - 900mm Color:3000k - Flowering It also meets ETL standardsThese 900mm Propagation LED Lights from HORTITEK GROWSABER are an advanced and energy efficient lighting solution for propagating and flowering plants. Featuring a 30W power output and 80% CRI for a more natural light source than traditional LEDs. These LED's deliver maximum grow light with a 6500k spectrum for optimum vegetation growth or the 3000k for optimum flowering. Its design also ensures dust and water resistance with their IP65 rating.