Reef Factory KH Keeper Plus fit check
Reef Factory KH Keeper Plus is an automated alkalinity controller from Reef Factory. Listed features: Automated KH/alkalinity monitor and controller; +/-0.01 dKH accuracy, tests every 1-12 hours; LED status + app alerts. ReefCrafter's catalog fit range is 20+ gallon systems.
Reef Factory KH Keeper Plus: best for systems 20 gallons and up. Specs, compatibility math, sizing risks, and alternatives before you buy.
Who it is for
Good fit for
- ✓ 20+ gallon systems, per the catalog fit range.
- ✓ Keepers who want alerts on a specific risk such as temperature, pH, salinity, or alkalinity.
Not a fit for
- ✕ Tanks under about 20 gallons; it is sized above them.
- ✕ A first purchase before the heater, ATO, and maintenance routine are stable.
Listed features
- Automated KH/alkalinity monitor and controller
- +/-0.01 dKH accuracy, tests every 1-12 hours
- LED status + app alerts
- Integrates with Reef Factory dosing pumps to correct or halt dosing
- WiFi via Smart Reef app
Specs checked against bulkreefsupply.com.
Compatibility math
Build role
Example: Reef Factory KH Keeper Plus belongs in the plan only if it solves a real stability or maintenance job.
ReefCrafter keeps optional upgrades behind core stability requirements.
Risk notes
- Automation can add complexity if the basic heater, ATO, and maintenance plan are not already stable.
Professional fit context
- Check probe support, controllable outlets, alerting, redundancy, and setup complexity.
- Reef Factory KH Keeper Plus best for systems 20 gallons and up; confirm that range against the final display volume, sump volume, and livestock plan.
Alternatives to compare
- Focustronic Alkatronic Alkalinity Controller
Catalog fit range 20+ gallon systems (premium tier).
- Inkbird ITC-308 WiFi Temperature Controller
Balanced-tier alternative in the same category.
- Inkbird ITC-308S Dual Stage Temperature Controller
Budget-tier alternative in the same category.
Full spec snapshot
- Category
- Controllers
- Build tier
- Premium
- Estimated price
- $772
- Tank fit range
- best for systems 20 gallons and up
- Format
- Automated Alkalinity Controller
Related reading
Questions
What tank size is the Reef Factory KH Keeper Plus for?
ReefCrafter's catalog fit range for it is 20+ gallon systems. Confirm that against your final display volume, sump volume, and livestock plan rather than the box label alone.
What should I compare the Reef Factory KH Keeper Plus against?
Focustronic Alkatronic Alkalinity Controller (Catalog fit range 20+ gallon systems (premium tier)); Inkbird ITC-308 WiFi Temperature Controller (Balanced-tier alternative in the same category); Inkbird ITC-308S Dual Stage Temperature Controller (Budget-tier alternative in the same category).
What range and accuracy does the Reef Factory KH Keeper Plus list?
The retailer listing gives: +/-0.01 dKH accuracy, tests every 1-12 hours.
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