If your pH, conductivity or temperature meter is not functioning properly, you may need a new part, not a new device. Pop in a HANNA Replacement Electrode, and you’ll be back in business!
Compatible with:
• HI 98129 and HI 98130 Combo multi-parameter testers
• HI 98127 and HI 98128 pHep® testers
• HI 98121 ORP tester (measures dissolved oxygen)
Grower’s Tip:
Hanna Instruments produces a collection of portable, waterproof, instant-read testers that give growers precise data to create exceptional growing conditions.
Eric Vinje founded Planet Natural with his father Wayne in 1991, originally running it as a grasshopper bait mail-order business out of a garage.
Eric is now retired, but is still a renowned gardener known for his expertise in composting, organic gardening and pest control, utilizing pesticide-free options, such as beneficial insects.
Eric believes when you do something good for the environment, the effects will benefit generations to come.
Eric is now retired, but is still a renowned gardener known for his expertise in composting, organic gardening and pest control, utilizing pesticide-free options, such as beneficial insects.
Eric believes when you do something good for the environment, the effects will benefit generations to come.
Latest posts by Eric Vinje (see all)
- Complete Guide to Plant, Grow, and Care for Sunflowers - June 14, 2023
- Growing Potatoes in Containers: Complete Beginner’s Guide - June 14, 2023
- Peonies: How to Plant, Grow, and Care for Peony Flowers - April 23, 2023
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Eric Vinje founded Planet Natural with his father Wayne in 1991, originally running it as a grasshopper bait mail-order business out of a garage.
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- Growing Potatoes in Containers: Complete Beginner’s Guide - June 14, 2023
- Peonies: How to Plant, Grow, and Care for Peony Flowers - April 23, 2023
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