The only thing needed to stay ahead of the algae is adequate chlorine levels. What kind of algaecide was it? What is the ingredient of "quick clear" and the chlorine you added?

Post a full set of current water testing results taken with a drops-based kit. Tell us the type of pool and volume. Don't add any more "stuff" to the pool. Run the pump 24/7 and backwash if the pressure rises 5-10 psi over your clean filter pressure.