• Compare Products
Toggle Nav
  • Sign In
My Cart
Search
Advanced Search
Menu
Account

GroLine Waterproof pH Tester with 0.01 Resolution - HI98118

SKU: HI98118

Be the first to review this product
Request Information

groline hydroponics ph ec ppm meter

The GroLine HI98118 pH/temperature tester measures the pH of a hydroponic nutrient solution, essential to maximize optimum growth.  The table below lists the ideal pH range for a variety of plants. The HI98118 can also measure the pH in soil slurries or soils and nutrient solutions using the  Pour Through Sampling Method for container plants, where leachate is collected from a thoroughly watered plant for testing.

  • Two-Button Operation
  • Quick Calibration Mode using Hanna Quick Cal pH/EC Calibration Solution
  • Extractable Cloth Junction to Extend pH Electrode Life
main product photo

Features

Automatic Temperature Compensation (ATC), displays temperature in °C or °F

Renewable junction to clear any clogging that causes readings to drift and be erratic

Waterproof and designed to float if dropped in water

Automatic calibration to one or two points

Uses Hanna's Quick Cal pH/EC standard with a pH value of 6.86 that can also be used to calibrate conductivity meters to 5,000 μS/cm

Automatic shut-off with three user controlled settings

Large LCD displays stability indicator, low-battery indicator, and calibration tags

 

Optimum pH Levels for Plants

Vegetable Plants
 Optimal pH
Garden/Flower Plants
 Optimal pH
Orchard Plants Optimal pH 
Artichoke
 6.5-7.5
Acacia
6-8
Apple
 5-6.5
Asparagus
 6-8
Acanthus
6-7
Apricot
 6-7
Barley
 6-7
Amaranth
6-6.5
Apricot
 6-7
Bean
 6-7.5
Bougainvillea
 5.5-7.5
Cherry
 6-7.5
Brussels Sprout
 6-7.5
Dahlia
 6-7.5
Grapefruit
 6-7.5
Corn (Maize)
6-7.5
Erica
 4.5-6
Grapevine
 6-7
Cucumber
 5.5-7.5
Euphorbia
6-7
Lemon
 6-7
Early carrot
5.5-7
Fuchsia
 5.5-7.5
Nectarine
 6-7.5
Early Potato
4.5-6
Gentian
 5-7.5
Orange
 5-7
Egg Plant
5.5-7
Gladiolus
6-7
Peach
 6-7.5
Late carrot
5.5-7
Hellebore
6-7.5
Pear
 6-7.5
Late Potato
4.5-6
Hyacinth
 6.5-7.5
Plum
 6-7.5
Lettuce
6-7
Iris
5-6.5
Pomegranate
5.5-6.5
Melon
5.5-6.5
Juniper
5-6.5
Walnut
 6-8
Oat
6-7
Ligustrum
 5-7.5    
Onion
6-7
Magnolia
5-6
    
Pea
6-7.5
Narcissus
6-8.5
    
Pepper
 6-7
Oleander
 6-7.5    
Pumpkin 5.5-7.5
Paulownia
6-8
    
Rice
5-6.5
Portulaca
 5.5-7.5    
Soybean
5.5-6.5
Primula
 6-7.5    
Spinach
6-7.5
Rhododendron 
 4.5-6    
Strawberry
5-7.5
Roses
 5.5-7    
String Beans
6-7.5
Sedum
6-7.5
    
Sugar beet
6-7
Sunflower
6-7
    
Sunflower
6-7.5
Tulip
6-7
    
Sweet Potato
5.5-6
Viola
5.5-6.5
    
Tomato
5.5-6.5
        
Watermelon
5.5-6.5
        
Wheat
6-7
        
More Information
SKU HI98118
Product Name GroLine Waterproof pH Tester with 0.01 Resolution - HI98118
Quote Required Yes
pH Range 0.00 to 14.00 pH
pH Resolution 0.01
pH Accuracy ±0.2 pH
pH Calibration automatic, one or two-points (pH 4.01, 7.01, 10.01); one-point calibration using HI5036 or HI50036P Quick Cal calibration solution
pH Temperature Compensation automatic, 0 to 50°C (32 to 122°F)
Temperature Range 0.0 to 50.0°C/32.0 to 122.0°F
Temperature Resolution 0.1°C/0.1°F
Temperature Accuracy ±0.5°C/±1°F
Automatic Shut-Off 8 minutes, 60 minutes, or can be disabled
Battery Type/Life CR2032 Li-ion / approximately 1000 hours of continuous use
Environment 0 to 50°C (32 to 122°F); RH 100% max
Dimensions 160 x 40 x 17 mm (6.3 x 1.6 x 0.7’’)
Weight 75 g (2.6 oz.)
Ordering Information HI98118 GroLine pH tester, Quick Cal calibration sachets (3), electrode cleaning solution sachet, battery, instruction manual and quality certificate.
Write Your Own Review
You're reviewing:GroLine Waterproof pH Tester with 0.01 Resolution - HI98118
Your Rating
Product Manuals
pdf
HI98118 GroLine Waterproof Hydroponic pH Tester Manual
Rev. 8/16