Get ready for a new approach This intelligent device will help you to maintain constant temperature in your marine aquarium. Thermo control controls both the heating and the cooling device.This minicomputer...
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KH keeper
The new state of the art innovation from Reef Factory is set to transform automated control of alkalinity in the Marine Aquarium Industry. 
Accurate, easy to configure, intuitive to use and with a compact footprint makes this device one of a kind in it’s class.
Minimalist design
Compact dimension
Measurement accuracy 0,01 dKh
KH Keeper measures samples of water directly from the aquarium and tests Alkalinity.

Readings are programmed at maximum every 1 hour – 12 per day.
Amazing precision and simplicity of execution
High-quality components and precise control algorithms determine that the device provides extremely accurate readings to within 0.01 accuracy.

If KH drops too quickly between measurements the device 
will repeat the test and if the result is confirmed will send 
a notification to the user. An aquarist can set a value 
in the measurement difference. The tested water 
can be returned to the aquarium or go to waste, 
depending on user preferences.
Innovative visual indicator 
for current KH status
We introduce our simple and great new feature. KH keeper using an outer 'LED' light signalling 
will display if the kh parameter is in safe range. Green color means that the measurement 
is in the safe range, red means that the KH parameter is outside the safe range, 
the blue color is displayed during the test.
Safe range
Outside safe range
Advanced control and simple to use. 
Real user-friendly management and configuration.
The device can be controlled easily and conveniently via a phone application, a browser on a laptop or our website.
Test it now
Historical readings
Historical readings are available for 1 day to 1 year prior.

Advanced options presented simply
Alerts when KH level
 is out of the set range 
or when KH parameter 
increased or decreased 
to quickly
No need for a central computer
All devices operating within the system are equipped with a Wi-Fi module and connect to the system directly.
iOS and Android

The device can be controlled from any place in the world via a phone application or our website.
Wi-Fi connectivity

Without unnecessary cables, the device connects with a home router using the built-in Wi-Fi module.
Smart Reef

The device is ready to be used in Smart Reef - our versatile system designed for comprehensive aquarium management. No expensive central computer is required!
Maintaining the parameter 
on the appropriate level
KH Keeper measures 'aquarium' water from aquarium and will make corrections 
using the connected dosing pump. This function will allow the precise control 
of the KH parameter to the level determined. 
It will soon work also with calcium reactors and 3rd party pumps via Power switcher.
Concentrated reagents 1L and 2,5L Not Included
Reagent Mix Ratio: 1L reagent / 9L RO water.

Reagent Test Sample: 5 - 15ml (depends on KH level).

Average reagent of 1L provides 1,429 tests, cost €0.035 cent per test.

Smart Reef will notify when reagent is low.
size chest(in.) waist(in.) hips(in.)
XS 34-36 27-29 34.5-36.5
S 36-38 29-31 36.5-38.5
M 38-40 31-33 38.5-40.5
L 40-42 33-36 40.5-43.5
XL 42-45 36-40 43.5-47.5
XXL 45-48 40-44 47.5-51.5
All orders for items showing as in stock received before 12 Noon will be shipped the same day.

Reef Factory KH Keeper

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