The LiterMeter 4 is SpectraPure's programmable precision dosing controller. It runs two independent peristaltic dosing channels with millisecond-level timing, drives auto top-off, and can schedule water exchanges on a calendar — one box that handles the routine chemistry work on a reef or planted tank.

Features

• Two independent programmable channels
• Precision peristaltic dosing — accurate down to small fractions of a milliliter
• Auto top-off mode with optional float backup
• Programmable water exchange scheduling
• Easy on-device programming, no app required

Specs

• Channels: 2 (independently programmable)
• Pump type: peristaltic
• Power: included transformer
• Compatible probes/modules: SpectraPure LiterMeter ecosystem

Related products

• Starter kit: LM4 Starter Kit
• Interface cable: LM4 Interface Cable
• Gen-7 stand-alone: G7 ATO · G7 Dosing Pump

Questions about filters, production rates, or membranes? Visit our Know Your Filters page or contact us.