The AlphaONE 93 Plus Mega System is made for ponds up to 30,000 gallons. It has special filters and BioGems media to keep the water clean. The system comes with a pump that moves a lot of water but uses less energy, which helps save money. The Zapp Pure UV light helps keep the water clear and free from harmful things like algae. It is easy to set up and maintain, and it comes with a lifetime warranty from GC Tek. This system is great for big koi ponds and gardens, offering strong and reliable performance.