Black Algae Scraper filter-length_32 7/8 inches The F-300 flowmeters have a

The F-300 flowmeters have a one piece

providing just the right amount of bacteria and algae-fighting elements to keep your pool perfectly clean and fresh

It has five secondary absorbance standards to verify instrument performance at all wavelengths

you can order an updated hand controller (part number 1001601)

Black Algae Scraper filter-length_32 7/8 inches The F-300 flowmeters have aThe Pool Tool Black Algae Scraper easily snaps onto any telescopic pole and provides a great way to remove black agae from plaster pools. This scraper is more effective than a wire brush! It is also helpful for smoothing rough calcium deposits.