We've put together the best products for your spring pool opening: Algaecide, Shock and StainFree. And we are offering it at a great discount - just $80
Ultra 40 is a 40% polyquat algaecide while Ultra is a 65% cal-hypo shock. Add the full bottle of algaecide and 1-2 kg of shock for a standard opening up to 90,000 L (use more shock the greener it is). StainFree will bring up your pool finish by removing any metal staining that has accumulated.