Continuum KH Buffer 500ml:1000g LCD display with backlight allows

LCD display with backlight allows you to do settings in a dark room

Calibration with time compensation

This really limits an aquarists options and

Smart ATO Nano uses QST for real-time protection against product malfunctions such as overflowing or an empty reservoir resulting in the pump running dry

Smart ATO Lite G2 offers you a safe and economical choice of auto top off

Continuum KH Buffer 500ml:1000g LCD display with backlight allowsprofessional alkalinity boosting pH & KH control system for all marine fish and reef aquaria The Continuum advantage. Basis Borate Free Buffer is a high quality, multi component blended true buffering system designed to raise the alkalinity or buffering capacity of marine fish and reef aquariums and automatically regulate the pH. It will hold pH stable over a wide range of conditions providing for safety of the entire system. Use in aquarium keeping.