Spa - Outdoor portable? I am using Spa Poppits at the moment but am finding the...

I am using Spa Poppits at the moment but am finding the upkeep of my spa very expensive using this product. I am considering changing to Bromine Tablets hoping this will be cheaper. Is within anything I should know about using or changing to Bromine for my spa?
Is a solar pool cover more significant when...
Answers:    Bromine will work out cheaper. Until you catch used to using it in your spa, you will need to assessment the water regularly and decide what a moral number of tablets is to keep in your float. Bromine (tabs) are bitter so the regular addition pH buffer (bicarb soda) is essential (tablespoon at a time).
You will probably need to drain the spa and start over (check near the poppit people).
And importantly keep in perspective how much you are spending on chems trying to save 1000L (aprox $1.50 worth) of dirty bath water verbs.
If it smells, clouds up or leaves scum on the side of the spa it time to change it, no amount of chemicals will find rid of the body fats and salts that build up.