User logsDive logS7Hull cleaning
Pre-regatta hull scrub, 3 boats
Three keels, two props and a set of anodes before lunch. Used to need two tanks per boat.
Dive data
- Max depth · 2.8 m
- Bottom time · 182 min
- Water temp · 15 °C
- Visibility · 6 m
- System · WOLACH S7
- Dived · Sep 24, 2026
Three keels, two props and a set of anodes before lunch. Used to need two tanks per boat.
Why it was faster
No tank swaps and no surface intervals. Kept the unit on the pontoon, moved it between boats and stayed down for the whole leg of each hull.
Keep reading
Scuba Tank vs. Tankless Hookah Diving: The Complete 2026 Comparison
Cost, bottom time, depth, safety and logistics — an honest, side-by-side look at when a surface-supply system beats a tank, and when it doesn’t.
How Deep Can You Go With a Hookah Diving System?
Rated depth vs. tested depth, why hose length is not depth, and the no-decompression limits that still apply.
S6 vs S7 vs S9 vs S77: Which WOLACH Is Right for You?
Match depth, runtime and airflow to how you actually dive. Includes a 60-second picker.