PADI vs SDI/TDI

• PADI
• SDI
• TDI
• Scuba Diving Certification
• Learn to Dive

If you've started shopping for scuba lessons, you've probably hit a wall of letters. PADI. SDI. TDI. It's easy to worry you'll pick the wrong one. Here's the good news. All of them teach you to dive safely, and dive shops around t.. Read More