As an Amazon Associate, we earn from qualifying purchases. Trident - Marine Aquarium Water Analyzer (OPEN BOX) - Bulk Reef Supply Neptune Systems . 212271OB Gallery Attributes Brand name, Manufacturer name, ManufacturerNeptune Systems Extra Product NameTrident - Marine Aquarium Water Analyzer (OPEN BOX) - Bulk Reef Supply extendedQty, qtyInStock0 keywordssaltwater aquarium supplies, reef aquarium supplies, marine fish tank, live rock, GFO, protein skimmers, two part dosing, aquarium carbon, fish food, RO/DI Systems, ecotech marine, aquaillumination, neptune systems, kessil, innovative marine moq, multiple, tierMinQty11 MPN, SKU212271OB qtySourceupdateFromUrlEntry snippetWe are unable to guarantee the reagents in Open Box items and strongly recommend purchasing new reagents with Open Box items. Say Goodbye to Manually Testing for Calcium, Alkalinity, or Magnesium in your Reef! The Trident is an automated testing system that regularly tests alkalinity, calcium, and magnesium in your saltwater aquarium — and then communicates this information to your Apex so you can get alerts, and change your dosing. When combined with the DOS (available separately) it creates a fully automated system for the proper dosing of supplements, maintaining them at consistent levels. Automatically performs Calcium, Alkalinity, and Magnesium tests Includes 1-month of reagent Combine with Neptune DoS for automated dosing Prog tierPrice1543.95 Distributor offers SellerSKUMOQIn stockMultiplePrices bulkreefsupply.com212271OB111 @ $543.95