I use a Squier Standard Stratocaster, which has a standard fender floating tremolo with 3 springs. I normally use light strings of guage 0.09 - 0.42. This time I tried out 0.11-0.52 medium D'Addario's to see how they sound. By the time I was finished stinging and tuning, I realised to my horror the bridge was half an inch high at the end, and the action was horribly high. The free end of the tremolo bridge had been pulled and lifted up, I presume due to the tension in the strings?. I changed the strings back to my regular lights, and the bridge and action became alright. Does this mean I cannot use medium or heavy strings on my guitar? Or do I need to add more springs to the tremolo? or are there any other adjustments? The tremolo is the exact floating one as found on regular fender stratocasters. I normally never use the tremolo, so I keep the tremolo arm separate, and I restring and tune without the tremolo arm. Pls help.