This is why you need to clean your swimming pool filters at least every 3 months. Here's what can happen if you don't. Look at all that gross algae growing on these cartridge pool filters. And the pool water is just running through these and returning water back to the swimming pool. GROSS! Call / Text / or request a free quote online to have your pool filters cleaned before it starts getting any warmer!
More information on Pool Filter Cleaning Services here
Blue Cactus Pool Service LLC
Blue Cactus Pool Service