Are ‘Verbatim Mitsubishi 25GB 2x Speed BD-RE Blu-ray Re-Writable Disk 5 Pack - Ink-jet printable - Each disk in a jewel case’ any good for you mate?
5 pck - https://www.amazon.ca/Verbatim-Mitsubishi-Speed-Blu-ray-Re-Writable/dp/B0041WF3P0 (CDN$ 16.81)
10 pck - https://www.amazon.ca/Verbatim-Blu-ray-Recordable-Ink-jet-Printable/dp/B0040XF59Y (CDN$ 30.04)
or
‘20 Verbatim Blu Ray 25 Gb Bd-r Single Layer 6x Speed Original Spindle Printable Blueray’ at CDN$ 31.20 (for if you do find more projects to put on disc)
https://www.amazon.ca/Verbatim-Original-Spindle-Printable-Blueray/dp/B008AIFU5Y/
If you’re looking for 50gb printable discs…
5 pck - https://www.amazon.ca/Verbatim-Mitsubishi-Speed-Blu-ray-Re-Writable/dp/B004JKHRK8 (CDN$ 37.14)
10 pck - https://www.amazon.ca/Verbatim-Mitsubishi-Blu-ray-Re-Writable-Disk/dp/B0041WF3X2 (CDN$ 47.50)