Hanna Instruments South Africa
The Hanna Advantage: A Worldwide Leader in Technology and Innovation 100% Quality  360 Value
Contact Hanna: +27 (0) 11 615-6076
Hanna Instruments South Africa
Customer Support: +27 (0) 11 615-6076

GroLine Waterproof pH Tester with 0.01 Resolution - HI98118

R2,501.00 Excl VAT

Availability on Request

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

Description

Features

Automatic Temperature Compensation (ATC), displays temperature in ℃ or ℉

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