Findings in the Field: Algae

In mild climatic conditions, Algae (typically Blue Green) growth may occur in bunkers. Algae layers can cause discoloration of sand and have the potential to clog pore space, thus reducing infiltration of the sand and changing the sand’s physical properties.

How to Reduce the Risk of Algae Growth in Bunkers

We have seen some the following steps taken to successfully minimize Algae growth.

• Check sand depths. If there is not a minimum of the required depth of sand based on field test or a column test, the sand is likely to stay wet, providing optimum algae growing conditions.
• Occasional light raking the bunker with a mechanical rake introduces oxygen and allows sand to dry faster. Without moisture, Algae cannot live. Check proper sand depths as shallow sand depths are the #1 reason for algae!
• Raking when the sand can be dry for 24-48 hours is very beneficial!
• If left untreated, Algae can cause significant problems in the functionality of the sand’s top few inches. Aggressive control is always suggested.