If your plants get used to outside sun they get used to outdoor conditions. Wind. Mixed light spectrum. Fresh temps. & obviously LUMENS. she gets tons of lumens outside so she grow quick. Indoors your gona get slowerr growth if you can't match up the same lumens as outside. Wich is impossible.
Best grow light on the world is the sunn. IMO.
60watter is cool if you've got a seeding. 1bulb for a plant is best for mother plants to keep them alive not keep them growing. Big difference.