If my pool has transformed into a murky shade of green, what are the immediate steps I should undertake to rectify this troubling predicament? Should I first assess the water chemistry or perhaps consider an intensive cleaning regimen? It’s disconcerting how quickly algae can proliferate, casting a shadow over what should be an inviting escape from the summer heat. Could it be that the filtration system is insufficient or malfunctioning, contributing to this unexpected aquatic affliction? Furthermore, should I contemplate the introduction of algaecides or other chemical treatments, or would a simple shock treatment suffice to rejuvenate the water back to its crystalline state? What preventive measures can I adopt to ward off this unsightly phenomenon in the future? Is there a specific regimen for maintenance that can diminish the likelihood of such occurrences? With these myriad questions swirling in my mind, how do I proceed to restore my pool to its former glory?