Backyard Bounty by Linda Gilkeson

Backyard Bounty by Linda Gilkeson

Author:Linda Gilkeson
Language: eng
Format: epub
Tags: GAR019050, book
ISBN: 9781550924749
Publisher: New Society Publishers
Published: 2011-03-07T16:00:00+00:00


Manual or Automatic Vents?

If someone is around to open manual vents every day — without fail — you can get away with manually operated vents. But, if they aren’t opened on just a single sunny spring day, it can mean serious damage or even death to the plants inside. For safety, I recommend installing at least one automatic vent that will open when temperatures inside reach a pre-set level. An economical solution is to use the heat-activated vent openers sold by garden and greenhouse suppliers. These are lifting arms that move mechanically as a wax or gas-filled cylinder heats up in the sun — no electricity needed. As the gas expands inside, it drives out a piston that lifts the vent cover. They can lift up to 15 lbs (7 kg) and are quite sturdy, lasting for years.



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