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Black Algae
Looks like black dots the size of the top of an eraser, and is slimy to the touch. There can be thousands of these dots present.
You need to scrape or wire brush off the hump of the growth and then use algae kill or algaecide with a silver base to treat.
Brown Algae
Green fuzzy algae that can grow on the walls and floor of the pool or can grow suspended in the water. Really Gross!
You need to Vacuum to waste, then clean or backwash filter. Heavily chlorinate pool with SHOCK.
Yellow Algae (Mustard Algae)
A type of algae that looks like yellow stains. Yellow algae grows in shaded areas of the pool. When brushed a powder residue appears.
You need to vacuum pool, then brush yellow areas. Next backwash filter. Now is a good time to have your filter taken apart and cleaned. Use 8 lbs of Shock or 8 gallons of liquid chlorine with appropriate amounts of yellow Mustard Algae Killer. If Yellow does not clear up within 1 day, try appropriate amount of silver-based algaecide. Make sure to follow the directions on the bottle.
If algaecide persists, Call Davis Pool Professionals.
Low Pressure in Filter
Some of the more common causes of low pressure in the filter are:
1. Plugged suction line
2. Clogged impeller on motor
3. Bad gasket or O-ring on pump
4. Pump basket is full of debris
Other problems where you might want to Call Davis Pools
for Service: 480-892-4845
High Pressure in Filter
Diatomaceous Earth (DE) Coming Back in the pool
Dirt Back into Pool
Air getting in system when Pump is on
Air Getting in System when Pump is Off
Pump Motor Screams
Pump Motor Hums
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