I recommend Amare or HLG depending on your needs, or environment such as ceiling height if growing big plants.
I use this over a 7x4.5 for a 800ppfd (spaced my bars 8" on center) but can increase by puting the bars closer together.
It has an enhanced spectrum called Canna-Spec., second is Solar-Spec(C).
View attachment 4513553View attachment 4513551 A listed 2.7 umol/j efficiency @ 660w & 2.6 @900w. Gasgeted Glass IP-66 or 67 (forgot) with large heatsinks to maintain efficiency levels over time. Bunch of bells n whistles for versatility & spectrum too. Its 900w.
SolarBar SB800 (Bar8)$1,695.00SolarBar SB800 (Bar8). The most stunningly powerful and flexible SolarSPEC™ horticulture lighting solution to date. The Bar8 is designed specifically for single and multi-tier commercial cannabis cultivation with a recommended mounting height over canopy of...
www.amaretechnology.com
They're taking 25% off on pre-orders for the new Bar-6 LUV (lightweight UV) = $975 Delivered.
Its a 660w lighter weight model that folds in half or detaches with wide extrusion sinks & protective coating over the diodes.
I do not have the exact spectrum of this on hand but its basically the Canna-Spec with UVA 385nn added. X2 Remote drivers, one for veg & one for flower that can be dimmed individually to provide the spectral blend & intensity you want for the phase.
The other lights i use & can recommend are These folks.
Premiere high end indoor gardening LED grow lights for hobbyists & professionals looking to remove HPS & lower electricity costs by 60% while increasing yields.
horticulturelightinggroup.com
Currently running half my room Primarily Amare & other Half primarily HLG. Some Burples & others fill the gaps. All led.
View attachment 4513552View attachment 4513554View attachment 4513555View attachment 4513557View attachment 4513558View attachment 4513563.
They both yeild me high quality & (record breakers for me). My electric bill has been cut in half since hps just about & i yield quite a bit more of denser higher quality.
Both companies have good customer service & will honor their warranties.
Good Luck! Hope this helps.