Hydros Control XS Starter Pack Amazon Specific giving a direct digital result

giving a direct digital result without relying on colour-chart matching

They may be kept in pairs or harems as long as they are added at the same time or females first

Blend of cation and anion resin for final water polishing

480 to 1920 GPH flow range: Supports high-flow plumbing configurations when matched with the correct pump

Hydros Control XS Starter Pack Amazon Specific giving a direct digital resultHydros Control XS Starter Pack Hydros XS Controller Starter Kit Overview The HYDROS Control XS Starter Kit is the ideal solution for small to midsize aquariums. This controller includes 4 universal use Sense Ports for aquarium parameter measurement and safety. It's perfect as a standalone controller for a basic saltwater or freshwater tank or combine it with other HYDROS devices as part of a larger system! What's Included 1x Control XS Unit 1x Power