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i am waiting for my 4 boards to get here but i already have everything else for a build. i am using 1/8th thick aluminum plate as my heat sink. i copied the HLG-550 specs and went with a 20”x26” piece of plate. cost me $53 from a local metal shop.

my ballasts are magnetic. the company i bought them from is having me return them so they can check the bulbs themselves before making a decision as far as a refund goes. from what i can see, i didn't do anything wrong. i'm anxious to see what the company says about them.

I sent an email to the website I purchased them from. hopefully we can come to a resolution. hopefully I don't have to eat the $330+ I spent on them.

hello everybody, this is my first post so let me say hi and thank you all in advance for any help or info you can provide me. I'm running 2 1000w sunleaves 2-way ballasts on 240v. been using Hortilux super HPS and Hortilux MH for the last 3+ years with no problems. I recently purchased 2 1000w...