How to Increase (and Reduce) Pool Alkalinity Correctly
Total alkalinity should sit between 80 and 120 ppm. Here’s how to raise it or lower it correctly, with real AU dosing and the mistakes that overshoot it.
Matt Hudson
How Much Salt to Add to a Pool (Salt Pool Dosing Guide)
Key takeaway: Raising a pool’s salt level by 1,000 ppm takes 1 kilogram of pool salt per 1,000 litres of water. But the target you’re dosing to depends on your … Read more
How to Shock a Pool (And When You Actually Need To)
Key takeaway: shocking means temporarily pushing free chlorine to roughly 10x your combined-chlorine reading — about 5–10 ppm for routine upkeep, 20–30 ppm for a genuine algae bloom — to … Read more
How to Raise pH in a Pool (Without Overshooting It)
Raising pool pH the wrong way swings it too high. Here’s the AU-dosed soda ash method, the maths behind it, and the mistakes that cause overshoot.
What Is Pool Acid? What It Does and How Much to Use
Pool acid (hydrochloric acid) lowers pH and alkalinity in Australian pools. What it does, roughly how much to use, and the safety steps that matter.
Pool Filters Explained: Sand vs Cartridge vs DE
Key takeaway: A DE filter traps particles down to about 2 microns, a cartridge filter down to roughly 30 microns (Waterco’s own figure; some brands rate finer), and a sand … Read more