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As a side-note: The use of Epsom salts ( Magnesium Sulfate ) should be avoided when LEDs are being used as horticultural lighting. Too much fuss for the LxxBxx numbers going on , while it seems that the biggest enemy* of LED’s service life is being neglected. * Call me “sulfurization” .

Well,thank you sir!

Did something similar seven years ago ... https://www.rollitup.org/t/gd-sds-short-notice-update.650151/#post-9044957 It can be done ,but I’m not sure if it’s worth the time ,money and effort . Moreover one has to have the necessary skills to : - Design a SMD circuit . - Etch metal core pcb. -...

More like the Restartdustsailor ! :p

Hey Salmo ! Hope you’re doing fine! Heard on the news that Covid had quite an outbreak at the Canaries. I’ve used alesh’s spreadsheet -first page of this thread- the rest you can find at the two last pages , as file attachments . Cheers,brother!

Vo adjustment has a function when the driver operates at Constant Voltage mode ( Vo limits / sets the max output voltage ) .When at Constant Current mode Vo should be set fully clockwise at it’s max setting. Io limits/sets the output current (at CC mode ) .

Well ... Using the data @Higher Authority provided (firstly had to change from absolute power to relative ,by dividing each y value with the largest of them,being the one at 604 nm ) and then using the calculator @alesh provided at the very first page of this thread (which BTW I think is...

Hey brother alesh ! Yes,long time no see ! I'm a family -man now ,LOL ! Been away from growing for a while and now it's about time to grow some herb again ! Still ,the Vero's Gen 6 seem old for nowdays standards . Been thinking to upgrade to something like F series and maybe throw in some 660...

LED vs HPS ... Still a debate ? LEDs Versus HPS Lamps The ideal lighting system for cannabis growth is difficult to determine as both LEDs and HPS each have their respective advantages (Viršilė et al., 2017). For large scale of production with uniformly spaced plants, HPS provides a broader...

https://www.karger.com/Article/Pdf/489030

My very first post with my new account .. Well , it's been quite some time since my last post @ RIU . Forgot my email used to sign -in and the account password also . Made a new account mainly for applying this question only -for the time being ... :fire:: I keep reading that the LER of the...