2'×4' bloom scenario using E27 LED...
1 spectrum (50w more)...
493w [100% - 3000k](80CRI)
or...
Mixed spectrum (25w less)...
468w [11% - 6500k](80CRI) + [89% - 3000k](80CRI)
or...
Mixed spectrum (50w less)...
442w [23% - 6500k](80CRI) + [77% - 3000k](80CRI)