Hi. I'm confused a bit. I know I need Calcium D3 and Multivitamins, but do I need Calcium without D3? My beardie uses a 10.0 T5 HO Flourescent tube, right next to his basking spot. I'll give him The D3 5x A week (Mon-Fri.) and the Multiivitamin 2x (Weekends). So do I need calcium without D3?