10% weekly seems to high to me, you are increasing the risk of white spot changing the water so often due to bad water ect. I had a bad case of white spot and did a half tank water change and upped the temperature to 30 degrees and it worked a treat. The instructions on the treatment are usually bob on.
David Cameron has just mentioned the premier league matches on Saturday. Confirming that the Spurs game is off and he expects the rest of the other Premier League games will go ahead BUT WITH AN EARLIER KICK OFF IF THAT HAS BEEN AGREED!
One lad at work once asked me did I know a telephone number for a local Taxi firm, I promptly replied of course 9 double 9 683....When he was given three options he replied Taxi please!