The OXSEA blog

Below the hull.
Below the surface.

Hull and propeller care, anchoring, first dives: hands-on guides for boat owners and for anyone who wants to discover the underwater world.

The OXSEA Mini Compressor set up on board a boat.

FeaturedGetting started underwater

Mini Scuba Tank Refill Options for US Buyers

Compare OXSEA manual pumps, 12 V DC Mini Compressors, and AC-powered Power Compressors. Find the refill setup that matches your tank and available power.

October 6, 2026 · 7 min read

The three OXSEA mini tanks, OX500, OX1000 and OX2000, side by side.

Getting started underwater9 min read

OXSEA Mini Scuba Tank Buying Guide for US Buyers

Choose your OXSEA tank around how you’ll carry it, use it, and refill it. Compare the US range, understand air time estimates, and check the order details before buying.

Cleaning a boat propeller underwater with an OX1000 worn on the back.

Boat owners9 min read

How to Clean a Boat Propeller Without Damaging the Blades

A soft sponge can handle light propeller fouling, but hard growth needs a different approach. Learn the cleaning steps and why the OXSEA OX1000 suits short underwater inspections and gentle upkeep.

Getting started underwater8 min read

How Long Does a Mini Scuba Tank Last Underwater?

Compare OXSEA’s estimated air times, learn why depth and effort change them, and see which tank and refill system fits your plans. Actual air time varies with use and conditions.