To all, I agree! Mas, the little kits, and even test strips (if they're good) can tell you if you're within the 'proper' range, but you need a 'real' kit to dose the pool -I think that's what you were getting at. Grace, do you think I'm crazy enough to take on a moderator?, I simply misread his post (happens all the time here, sorry to be part of the 'misunderstanding what someone posted' group , but thanks for the clarification David, the kit came with a bottle that holds enough to do all the tests, my problem is that, since it won't fit in the kit, I can't carry it with me at work (convieniently) - Looks like I'll be 'shaking out the extra water', but I love the kit . Sorry if anyone misunderstood what I tried to say - Waste