My seedlings are 10 days old . First 7 days they were under flourescents. 3 days ago I put them under a 1000 watt hps. The were under 24/0 the first 7 days . The last 3 days they were under 20/4. I read that seedlings should be under 24/0. Should I put them under 24/0 or will this confuse them.?