If you have nuisance algae, you need to fight it with Macro Algae. Macro Algae is a benefit to your tank in these ways: 1. Out competes the nuisance algae for nutrients - naturally reducing the amount for a cleaner Saltwater Aquarium with less work! 2. Macro Algae looks great!!! You can add the natural look of a planted saltwater tank and get some wow while cleaning it up! 3. Macro Algae is a natural home for smaller "critters" like live saltwater food. These critters eat left over food, detritus, bacteria and the likes, which will also reduce the growth of nuisance algae!! 4. Many Saltwater Aquarium Fish love to eat macro algae - this helps the natural digestion process - so give them a treat!! Do it for your tank - do it for yourself, do it for life! Our Caribbean Macro Refugium Pack gets you started on the right path!! With 4 types of macro algae and 1000 pods - your tank will be brimming with new life! Plus FREE shipping is always a bonus - so check it out and get nature working for you!