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If you purchase the ready-to-use product, you mostly paid for water!

A bit of economic advice today. When you have to buy a fertilizer or pesticide (hopefully an organic one!), always buy the concentrate rather than the ready-to-use product (hint: it’s often in a spray bottle). That’s because the ready-to-use product is composed almost entirely of water with just a hint of the base product (typically 50 parts water to one part of concentrate). As long as you have running water at home, you can easily dilute the concentrate yourself… and imagine the savings! Since the concentrate is 50 times more condensed than the ready-to-use product, if both are approximately the same price (and they often are), the concentrate actually cost 50 times less!

Larry Hodgson is one of Canada’s best-known garden communicators. He has notably been editor-in-chief of HousePlant Magazine, Fleurs, Plantes et Jardins, À Fleur de Pot and Houseplant Forum magazines and is currently the garden correspondent for Le Soleil and radio garden commentator for CKIA-FM Radio. He has written for many garden publications in both the United States and Canada, including Canadian Gardening, Harrowsmith, Horticulture, Fine Gardening and Organic Gardening. He also speaks frequently to horticultural groups throughout Canada and the U.S. His book credits include The Garden Lover’s Guide to Canada, Complete Guide to Houseplants, Making the Most of Shade, Perennials for Every Purpose, Annuals for Every Purpose, and Houseplants for Dummies, as well as nearly 60 other titles in English and French. He is a past president of the Garden Writers Association (now Garden Communicators International) and the winner of the prestigious 2006 Garden Media Promoter Award offered by the Perennial Plant Association. He resides in Quebec City, Quebec, Canada.

4 comments on “Buy the Concentrate

  1. Pingback: Dishwashing Liquid as a Pesticide: Think Twice! | Laidback Gardener

  2. Pingback: Pouring Oil on the… Plant | Laidback Gardener

  3. Regarding insecticidal soap concentrate: any suggestions on where to purchase? I’ve been (since using up the remaining dregs of the ‘old’ stuff) looking locally for the last 2+ years without success. Getting frustrated with the ‘fruitless’ search but I refuse to buy the ‘ convenient, ready-to-use’ products as they are criminally wasteful in so many ways…..

    • I’m surprised you’re not finding the concentrate locally. Where I live, it’s easy to find. Mail-order sources of organic pesticides would certainly carry this product. Or just try Amazon.

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