![ASTRAL Liquid Winterizer - 550 5 L (Minimum purchase 20L)](https://grupopoolplus.com/5407-large_default/astral-liquid-invernador-550-5-l-minimum-purchase-20l.jpg)
![ASTRAL Liquid Winterizer - 550 5 L (Minimum purchase 20L)](https://grupopoolplus.com/5407-small_default/astral-liquid-invernador-550-5-l-minimum-purchase-20l.jpg)
Winterizing ASTRAL- 550 5L (Minimum purchase 20L)
Purchase of 1 unit = 20L (4units x5L)
Prevents the intense proliferation of algae and bacteria in the water. Prevents putrefaction of water and calcareous sediments. Makes spring cleaning easy. NOT sparkling.