I have 3 4ft walmart t12 shoplights for my plants. I decided to try 2 t8 bulbs in one fixture. They seem much brighter than the t12's. Is this safe? They have only been in for about 1hr and seem to run at the same temp as the t12's. If this is safe, I am putting in t8's in all my fixtures.
peace,
Zero
peace,
Zero