a cylindrical case of cardboard, metal, etc. containing the charge and primer, and usually the projectile, for a firearm. any of various small containers, holding a supply of material for a larger device into which it is inserted: an ink cartridge for a pen, a toner cartridge for a desktop printer. a protected roll of camera film.
Green Hair Algae is caused by excess Dissolved Organic Carbons or DOCâs in the water. The most common reasons for having too many DOCâs include overfeeding, lack of filtration and the use of tap or well water for water changes or freshwater top off.
Algae blooms are caused by algae spores entering your pool and not being sanitized and filtered out of your water. Spores commonly enter your pool through wind, storms, items, or swimmers entering the water. There are three types of algae common in pools: green, mustard, and black.