Author: Rhonda Knuth

What difference does shade cloth over a pool make?

time

Spas—do they need chlorinating?

PHOTOLYSIS
What does sunlight do?
Is it the same as UV?

Are chlorine levels affected by temperature?
Does Chlorine dissipate over time anyway?

temperature

HOW????

Both species are called
“free chlorine”

pH
Range 7.2—7.8 recommended

UV

Hypochlorous acid
The best disinfectant

H+ is indicator of pH

Hypochlorite ion
Still disinfects but not as good

Kiddie pools—do they need chlorinating?
Can you chlorinate a pool with household chemicals? Is it safe?

HOCl (aq) ↔ H+(aq) + OCl-(aq)

Can I test my own pool?

What about PEE in pools? What does it do?

What is chlorine stabilizer?
Do you buy chlorine already stabilized or do you add it in?

Does pool capacity have any bearing on chlorination? Is there a difference between surface and underneath water?

Pool test kits—are they any good?

buffers

If pH is so important, is there something to maintain the pH level?
—- BUFFERs

stabilisers