Sling Hygrometer Replacement Tubes - Celsius - fits Sper Psychrometer #736700 Growing Accessories playing a crucial role in

playing a crucial role in successful crop production

This is particularly beneficial when using RO water

These blanks also have a creasing rule at the point

it  is equipped with an alarm LED that illuminates if the soil is too dry or nutritive substances such as potassium or nitrogen are lacking

Along with it beautiful spring floral display

Sling Hygrometer Replacement Tubes - Celsius - fits Sper Psychrometer #736700 Growing Accessories playing a crucial role inRefill for 5 to 50 Celsius Sling Psychrometer Model #736700 These refill tubes use a red liquid and are specifically made to work with our high quality Sling Psychrometers.