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76 - 96 of 96
Hanna Instruments Electrode Cleaning Solution, 130 ml

Hanna Instruments Electrode Cleaning Solution, 130 ml

Hanna Instruments Electrode Cleaning Solution, 130 ml

$11.99
Hanna Instruments Replacement Electrode for HI98121, HI 98127, HI 98128, HI98129, HI98130

Hanna Instruments Replacement Electrode for HI98121, HI 98127, HI 98128, HI98129, HI98130

Spare electrode for HI 98121, HI 98127, HI 98128, HI 98129 and HI 98130

$55.49
American Marine Pinpoint ORP Controller

American Marine Pinpoint ORP Controller

American Marine PINPOINT ORP Controller PINPOINT ORP (REDOX) Controller™ is an inexpensive rugged controller complete with a platinum ORP probe. This device will automate another electrical device like an ozonizer or ozone g...

$215.49
Single Union Ball Valve - Slip X Slip

Single Union Ball Valve - Slip X Slip

Note: While this fitting has a union, it is not designed to seal/hold water when the union is removed. The union is primarily for maintenance of the ball valve. **Variations of this product can be found in many online st...

From $18.99
Hanna Instruments Combination pH and ORP Tester

Hanna Instruments Combination pH and ORP Tester

The newest member to Hanna instruments Combo series of combination waterproof testers with advanced functions is HI 98121, designed for simultaneous pH and ORP measurements. HI 98121 also reads temperature, which is continuously ...

$167.49
Aqua UV Advantage 2000 Replacement Quartz Sleeve

Aqua UV Advantage 2000 Replacement Quartz Sleeve

Replacement Quartz Sleeve for 8W Aqua Ultraviolet Advantage 2000 UV Sterilizer.

From $38.49
Aqua UV Aqua Frog UV Sterilizer

Aqua UV Aqua Frog UV Sterilizer

Decorative Spitter and Ultraviolet Sterilizer in one body. Ultraviolet is a proven dependable and effective method of controlling algae and harmful bacteria without leaving any residuals in the water. Aqua Ultraviolet utilizes the...

From $207.99
Hanna Instruments pH Electrode Ultem Body, Dbl Junction, Gel Filled, Teflon Junction, BNC, 1m Cable

Hanna Instruments pH Electrode Ultem Body, Dbl Junction, Gel Filled, Teflon Junction, BNC, 1m Cable

Spare pH electrode, with Teflon ® junction, 2 m (6.6') cable, for general purpose, water treatment and agriculture.

$51.49 $40.97
Ecological Laboratories Microbe-Lift Spray Flavor Enhancer (8 oz.)

Ecological Laboratories Microbe-Lift Spray Flavor Enhancer (8 oz.)

Liquid krill flavor enhancer for pond fish food. Spray onto any food to enhance flavor! Improves taste of oral medications & convalescent diets Enhances flavor of feeds with high protein content Compliments the ra...

$15.99
Hanna Instruments 1382 ppm TDS Solution 20 ml Sachet (25pcs)

Hanna Instruments 1382 ppm TDS Solution 20 ml Sachet (25pcs)

TDS solution are produced with high-quality potassium chloride in various concentrations. They are standardized using a conductivity meter calibrated with NIST potassium chloride. HANNA instruments is one of the few producers to ...

$26.49
Master Book of the Water Garden

Master Book of the Water Garden

Includes historical overviews, plant directory and how to details on building, stocking and maintaining a garden pond. 304 pages.

$18.99
Water Gardening in Containers

Water Gardening in Containers

Create lovely ponds in any small container for indoors & outdoors. 128 pages.

$9.49
Water Gardening Basics

Water Gardening Basics

This book explains how to plan, construct and maintain a healthy water garden.

$8.99
Low Maintenance Water Gardens

Low Maintenance Water Gardens

Simple plans show how to design a water garden for easy maintenance. 127 pages.

$8.99
Hagen-Laguna 1/2 inch Hose Clamp for PowerJet Original 250 (2/pk)

Hagen-Laguna 1/2 inch Hose Clamp for PowerJet Original 250 (2/pk)

1/2in Hose Valve for PowerJet Original Pump 250 2 Pack

$0.81
Water in the Garden

Water in the Garden

WATER IN THE GARDEN by James Allison (hard cover) Covers all aspects of water gardening. Beautifully illustrated with over 200 color photographs and drawings. 160 pages.

$11.49
Seachem Laboratories Pond Flourish - 500 ml

Seachem Laboratories Pond Flourish - 500 ml

Pond Flourish™ is a liquid growth stimulator for pond plant stems and leaves. It contains a broad spectrum of essential trace elements, vitamins, and amino acids. It is rich in iron, manganese, magnesium, calcium, and potassium. I...

$9.19
Hagen-Laguna 1 1/4 inch Riser Stem w/Quick Fit Coupling/Directional Flow Control T for PowerJet 7000

Hagen-Laguna 1 1/4 inch Riser Stem w/Quick Fit Coupling/Directional Flow Control T for PowerJet 7000

1-1/4in Riser Stem w/Quick Fit Coupling/Directional Flow Control "T" f/PT430

$1.49
Hanna Instruments Replacement Electrode for DiST 5 Waterproof Low Range EC/TDS/Temperature Tester

Hanna Instruments Replacement Electrode for DiST 5 Waterproof Low Range EC/TDS/Temperature Tester

Hanna Instruments Replacement Electrode for DiST 5 Waterproof Low Range EC/TDS/Temperature Tester

$55.49 $40.97
76 - 96 of 96
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