So my pool has many small cracks in the steps and the edges of the steps are chipping off. As you can see the algae loves the cracks and I can’t keep it out. We bought the house 3 years ago and best I can tell from research is the pool is around 20 years old. I use the TFP method and water numbers are in the recommended range and have been since I opened it. What is the cause of the cracks and what do you recommend I do?
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