4Seasons Bloom Booster 660nm LED Emerald Harvest range Yes it can be used

Yes it can be used through to early bloom

and closet builds

This maximizes the utility of these controllers by expanding their list of compatible devices

000 lumens for strong canopy penetration

monoammonium phosphate

4Seasons Bloom Booster 660nm LED Emerald Harvest range Yes it can be usedThe 660nm Supplemental Bloom Booster by 4Seasons provides on deep red spectrum, specific for enhancing flower and budding development. Deep red stimulates photoreceptors in flowering cycles, this emphasis on red wavelengths has an effect on the overall combined spectrum your plant is exposed to. Typically finding that this causes the plants to stretch out and expand. Dimensions: 600mm x 57mm x 39mm Wattage: 30watts Adjustable Hangers Included Spec