Mars Fishcare North Amer
Freshwater Master Test Kit
Includes Four Test Tubes, Caps, Computer-Analyzed Laminated Color Charts, Instructions, Holding Tray, And Test Tube Rack. For the professional aquarist or in-store testing of aquarium water. Sturdy, waterproof box includes fast, easy and accurate test solutions for ph, high range ph, ammonia, nitrite, nitrate. Includes free wall chart and color cards.