Hello, We have introduced a new product line of hi-end sumps from Trigger Systems. They come in three different size modules for every reefers application with a refugium included. Choose the Ruby or Emerald series and see some incredibly neat layouts with flow pattern and dimensions for every unique system. For the serious reefer with a great controller these include probe holders and adjustable baffle with a chemical chamber to assist in optimal filtration. We have for some interesting examples of.... - Emerald Series - Ruby Series - Crystals Series This week and this week only buy one Nano frag get one 1/2 OFF on the next! Equal or lesser value! We also just received some fresh Algae Barn! Happy Reefing!