Your online garden supply store offering organic fertilizers, natural pest control, organic gardening equipment and more.
Home
|
About Us
|
e-Newsletter
|
Free Catalog
|
How To Order
Pest Problem Solver
|
Gardening Advice
|
Garden Forum
|
Customer Service
Organic Lawn Care
Lawn Fertilizers
Push Reel Mowers
Weed Control
Organic Fertilizers
Dry Fertilizer
Foliar Fertilizer
House Plant Fertilizer
Liquid Fertilizer
Soil Care
Soil Amendments
Soil pH & Test Kits
Composting
Compost Bins
Compost Equipment
Worm Composting
Greenhouse Supply
Cold Frames
Gardening Equipment
Greenhouse Accessories
Greenhouse Kits
Heirloom Seeds
Heirloom Flower Seeds
Heirloom Herb Seeds
Heirloom Vegetable Seeds
Organic Seeds
Natural Pest Control
Barriers & Repellents
Beneficial Insects
Biological Pest Control
Fungicides & Plant Disease
Home Pest Control
Insect Traps & Lures
Natural Pesticides
Soaps, Oils & More!
Garden Supplies
Gardening Equipment
Plant Protection
Seed Starting
Sprayers & Applicators
Pond Care
Indoor Garden Supply
Air & Water Pumps
Climate Controllers
CO2 Systems
EC, TDS & pH Testing
Growing Media
Hydroponic Nutrients
Hydroponic Supplies
Hydroponic Systems
Plant Propagation & Cloning
Grow Lights
Accessories & Parts
Fluorescent & Spot Lighting
Grow Light Reflectors
Grow Light Remote Ballasts
Grow Light Systems
HPS Lamps & MH Bulbs
Healthy Homes
Earth-Friendly Products
Natural Body Care
Natural Cleaning Products
Natural Pet Care
Natural Flea Control
Pet Shampoo & Pet Supplies
OMRI Listed
Bookstore
Planet Natural Gear
Gift Certificate
TDS Calibration Solution
Indoor Garden Supply
|
EC, TDS & pH Testing
Click To Zoom
Our Price:
$19.95
Item Size:
Please Select
Quart, TDS Solution
Quantity:
Write A Review
Why Shop Planet Natural?
View more products from
General Hydroponics
.
How accurate is your meter? We recommend that you calibrate you EC and TDS meters regularly. General Hydroponics® standard reference solution is for conductivity meters measuring 1500 ppm. Easy to use, just dip your electrode into a small amount of the buffer and adjust. Do NOT reuse solution.
General Hydroponics® reference solutions are of the highest quality, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics® technicians check each batch to ensure that these solutions are precisely calibrated and yield reliable readings each time they are used.
Premium Lawn Fertilizer
Garden Charcoal
Redwood Greenhouse Bench
Home
|
Contact Us
|
Privacy Policy
|
How To Order
|
Customer Service
Copyright © 2004-2012 Sparky Boy Enterprises. All rights reserved.
