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100+ F
The splitting would be the reason for the metering device.
You could set it for 'X' number of gallons. If it split you would lose 'X' number of gallons and it would shut off. Another option might be getting 'sprinkler' system pipe. Either 3/4 or 1''. It is made for constant pressure in ground .You would need to check about using it above ground. Fittings are available to connect it to your outside spigot as are 'u' shaped wires to hold it down. Bob "Manelli Family" wrote in message ... "Bob Walsh" wrote in message . .. How about using a water metering device made for watering lawns. Set it for enough water (in gallons) to handle expected needs in the greenhouse plus 10 or 20 percent. Some of these are battery operated and would reset each day. This would go on the spigot before the hose. I think misters need constant water. The swamp-coolers may not. The SC would take up a lot of space in the Rion. I'll check out Lowe's and Home Depot and see if I can find one of these meters. What I really need is something to cut the water off if the hose splits. Sams club carries a 120 or 125' hose that we have left on for months with no problems. Our water pressure runs 50 to 70 pounds per inch. The hose is priced in the mid 20 dollar range. We can't leave the pressure on them here as they split. We've had it happened at least 5 times since we're living here. The last time was this spring. It was an expensive 50' hose from Lowe's. We just forgot to turn the pressure off when we went in for dinner. Several hours later I heard the sound of water running in the pipes when the TV was shut off............ another large water bill. Bob "Manelli Family" wrote in message ... "Eric Hunt" wrote in message ... Hi, This is a problem that's been solved many times over - swamp coolers and other devices can be used in hobby greenhouses to get the temps under 100. But where do you get a swamp cooler? Are these home made? What do they cost? I'm also under the impression you need a constant water supply to the GH for a SC. Because of the limestone just under the surface it's cost in prohibitive. The GHs are not near the waterline. Leaving the water turned on using a hose on the surface isn't an option. We've ended up with huge water bills several times over the years when the hose split and no one saw it for hours - or we weren't home. Who out there has a greenhouse where the days regularly top 100? What do you do? Do you just tailor your collection to grow plants you know can take that level of heat? Do you have a misting system that keeps the humidity really high? Plants can take the heat better with more water in the air. Misting requires a constant water supply. Sorry I can't be of much direct help - San Francisco is the natural cloud forest of America, even in summer. Good luck! The uncontrollable heat was the reason I took all the plants out of the GH this spring. We though the shade-cloths and fans alone would keep the GHs at least the same temp as it was outside, boy were we ever wrong. -Eric in SF www.orchidphotos.org www.plantworld.org |
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