I highly recommend well.ca and this product.
I've tried other name brand kits and found Clearblue to be the most effective and easiest ovulation pack to use. Like other people mentioned, there is no guessing at whether the results show a positive ovulation test or not. If you're not ovulating you get a circle result and if you are, a smilie face. Unlike other test kits, Clearblue does not shut off once it detects you are ovulating. Which is great because you can test to see when your ovulation cycle ends. Or if need be, you can test again the next month. I also found that Clearblue sticks are sensitive in picking up on LH surges compared to other brands. I would like to suggest not using first morning urine when testing. Normally, the best times to test are between 10am to early evening. By using this kit, I found that my ovulation cycle was earlier than expected by two days. Knowing my ovulation cycle has lead us to a positive pregnancy test. Good luck to others with this product!