How often do you need to refill the bottle at different humidity levels?

Please note I added a 30mm fan to move air across the wick. With humidity the 45% range and the fan operating, I need to add water about every 4 days.

Sper Scientific736740 Mason's Hygrometer

Sper Scientific736740 Mason's Hygrometer

Product ID: 223411347

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Details

Colour
White
Brand
Sper
Item weight
3.8 Ounces
Battery description
No batteries
Mounting type
Tabletop

💧Precision humidity measurement with red liquid indicator

⚖️Lightweight at just 108g for easy tabletop use

🌡️Dual temperature scales (-10/50°C & 10/120°F)

Description

💧 Stay ahead of the climate curve with precision you can see!

DUAL SCALE MASTERY - Seamlessly switch between Celsius and Fahrenheit for versatile climate tracking.
SLEEK TABLETOP DESIGN - Compact and lightweight, perfect for your office desk or home workspace.
BATTERY FREE RELIABILITY - No batteries needed—always ready to deliver accurate data without interruptions.
PRECISION RED LIQUID INDICATOR - Instant, clear humidity readings with vibrant red liquid for quick decision-making.
TRUSTED SPER SCIENTIFIC QUALITY - Engineered for professionals who demand accuracy and durability.

The Sper Scientific 736740 Mason's Hygrometer offers dual temperature scales and a vivid red liquid humidity indicator in a lightweight, battery-free tabletop design, delivering reliable and precise environmental readings for professional and home use.

Specifications

Manufacturer	Sper Scientific
Part number	736740
Item Weight	108 g
Product Dimensions	7.3 x 3.2 x 30.4 cm; 107.73 g
Item model number	736740
Colour	White
Item Package Quantity	1
Plug profile	Tabletop
tech_spec_battery_description_toys	No batteries required

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A$61

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