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Step 9: Connecting the barrels and installing the overflow

The first picture is the end result of this step. The remainder of the pictures are in construction order.

The plan is to connect the two barrels so that we only need one gutter inflow for both barrels and a single overflow for both barrels. Staring at the garden plumbing parts at Lowes (USA Home Improvement Store) I was able to piece together a system that I thought would work.  Fortunately they did. The parts you need
  • Hose Real Leader 5/8 in  x 6ft  (Lowes)
  • Gilmore 2 hose connector (Lowes)
  • Gilmore 5/8” diameter ¾” fitting hose mender (Lowes)
  • 6ft x 1-1/2” PVC tubing for overflow
  • 1-1/2” PVC Elbow for overflow
  • 1-1/2” PVC Threaded fitting to screw the overflow into the barrel

Place the rain barrels on the stand. Attach the hose leader to the left side barrel. This is the gutter inflow barrel. Measure the distance to the right side barrel and cut the hose. About 4ft should be fine – don’t cut the hose too short or you'll be making another trip to the hardware store!

Attach the tube mender to the hose. This is quite difficult but after much cursing (make sure there are no kids within earshot) you will be able to get it on. Then fasten the clamp as shown in the pictures.

Attach the “2 hose connector” to the right side tank and screw the leader house onto it. Now when the water enters the left barrel (assuming the faucets are both open), it will flow into the right barrel (making sure that the outflow valve of the “2 hose connector” is in the off position). Displaced air will flow out of the overflow pipe which we haven’t constructed yet!

For the overflow pipe, drill a hole about 5” down from the top rim of the right side barrel. I used a 1” hole saw for this. The resulting hole was a little larger than I would like but it works.
Thread the fitting into this hole after covering the threaded part with PTFE tape to seal the threads. Using a heat gun, heat a bend in the PVC as shown in the pictures and then run the pipe through the table. Make another bend to direct the overflow toward the front of the table. You may need to drill a hole in the deck of your stand for the PVC pipe to pass through.


<p>Your setup looks very sturdy. I'm a little bummed to hear asphalt shingle are so problematic. I'm glad you mentioned it, otherwise I would have kept doing my regular garden watering practices. </p>
In my case I built everything before discovering the shingles issue. Stuff happens!
<p>There have been several studies on the toxicity of roofing material. As the owner of the first Rain Barrels Store in the U.S., Rain Barrels N' MORE in Ohio, I can assure you Asphalt Shingle are safe for rainwater collection. The small rocks, or grit that comes off your asphalt roof, may amount to 2 teaspoons a year in your rain barrel, and it comes out easily when you empty it in the winter. It also is of no concern.</p><p>Cedar Shake Shingles and Copper Roofing are the two roofing materials to avoid. The Cedar roofing contains high amounts of Arsenic, as well as &quot;growth retardant&quot;, to help prevent moss and algae. Copper roofs contains high levels of...Copper! Here is the most recent report from Seattle - <a href="https://fortress.wa.gov/ecy/publications/SummaryPages/1403033.html" rel="nofollow">https://fortress.wa.gov/ecy/publications/SummaryPages/1403033.html</a></p><p>And here is a wonderfully written article regarding roofing material and rainwater collection safety - <a href="http://www.sightline.org/2015/01/07/a-green-light-for-using-rain-barrel-water-on-garden-edibles/" rel="nofollow">http://www.sightline.org/2015/01/07/a-green-light-for-using-rain-barrel-water-on-garden-edibles/</a></p><p>As for the &quot;presence of bacteria from birds, squirrels and other small animals&quot; in your rainwater from your roof and watering your garden with it. Rainwater may contain Lysteria and other bacteria and parasites from your roof, and cannot be used for drinking water unless it is filtered with a Big Berkley or Katadyn micro-filter system. But, watering your garden and house plants, washing your car, filling your pond, power washing your house or deck can all be safely done with rainwater. </p><p>Personally, I would be far more concerned about the toxins in your laundry soap and fluoride in your toothpaste than the amount of bird poop in your rain water. Anyone who grows and eat their own food should be applauded.</p><p>If you have any questions or concerns please call or email me via my information on my website rain barrels N MORE dot com. </p>
<p>There have been several studies on the toxicity of roofing material. As the owner of the first Rain Barrels Store in the U.S., Rain Barrels N' MORE in Ohio, I can assure you Asphalt Shingle are safe for rainwater collection. The small rocks, or grit that comes off your asphalt roof, may amount to 2 teaspoons a year in your rain barrel, and it comes out easily when you empty it in the winter. It also is of no concern.</p><p>Cedar Shake Shingles and Copper Roofing are the two roofing materials to avoid. The Cedar roofing contains high amounts of Arsenic, as well as &quot;growth retardant&quot;, to help prevent moss and algae. Copper roofs contains high levels of...Copper! Here is the most recent report from Seattle - <a href="https://fortress.wa.gov/ecy/publications/SummaryPages/1403033.html" rel="nofollow">https://fortress.wa.gov/ecy/publications/SummaryPages/1403033.html</a></p><p>And here is a wonderfully written article regarding roofing material and rainwater collection safety - <a href="http://www.sightline.org/2015/01/07/a-green-light-for-using-rain-barrel-water-on-garden-edibles/" rel="nofollow">http://www.sightline.org/2015/01/07/a-green-light-for-using-rain-barrel-water-on-garden-edibles/</a></p><p>As for the &quot;presence of bacteria from birds, squirrels and other small animals&quot; in your rainwater from your roof and watering your garden with it. Rainwater may contain Lysteria and other bacteria and parasites from your roof, and cannot be used for drinking water unless it is filtered with a Big Berkley or Katadyn micro-filter system. But, watering your garden and house plants, washing your car, filling your pond, power washing your house or deck can all be safely done with rainwater. </p><p>Personally, I would be far more concerned about the toxins in your laundry soap and fluoride in your toothpaste than the amount of bird poop in your rain water. Anyone who grows and eat their own food should be applauded.</p><p>If you have any questions or concerns please call or email me via my information on my website rain barrels N MORE dot com. </p>
<p>There have been several studies on the toxicity of roofing material. As the owner of the first Rain Barrels Store in the U.S., Rain Barrels N' MORE in Ohio, I can assure you Asphalt Shingle are safe for rainwater collection. The small rocks, or grit that comes off your asphalt roof, may amount to 2 teaspoons a year in your rain barrel, and it comes out easily when you empty it in the winter. It also is of no concern.</p><p>Cedar Shake Shingles and Copper Roofing are the two roofing materials to avoid. The Cedar roofing contains high amounts of Arsenic, as well as &quot;growth retardant&quot;, to help prevent moss and algae. Copper roofs contains high levels of...Copper! Here is the most recent report from Seattle - <a href="https://fortress.wa.gov/ecy/publications/SummaryPages/1403033.html" rel="nofollow">https://fortress.wa.gov/ecy/publications/SummaryPages/1403033.html</a></p><p>And here is a wonderfully written article regarding roofing material and rainwater collection safety - <a href="http://www.sightline.org/2015/01/07/a-green-light-for-using-rain-barrel-water-on-garden-edibles/" rel="nofollow">http://www.sightline.org/2015/01/07/a-green-light-for-using-rain-barrel-water-on-garden-edibles/</a></p><p>As for the &quot;presence of bacteria from birds, squirrels and other small animals&quot; in your rainwater from your roof and watering your garden with it. Rainwater may contain Lysteria and other bacteria and parasites from your roof, and cannot be used for drinking water unless it is filtered with a Big Berkley or Katadyn micro-filter system. But, watering your garden and house plants, washing your car, filling your pond, power washing your house or deck can all be safely done with rainwater. </p><p>Personally, I would be far more concerned about the toxins in your laundry soap and fluoride in your toothpaste than the amount of bird poop in your rain water. Anyone who grows and eat their own food should be applauded.</p><p>If you have any questions or concerns please call or email me via my information on my website rain barrels N MORE dot com. </p>
Nice job may look at this to go round my IBCs
I started making one of these today. Not quite complete by it is well on its way
Good job!
We get frogs in and around our rain barrels. My kids love them. Frogs don't seem to mind either.
Wouldn't you want the overflow to be near the top of the first barrel?
The way the tanks are connected, you need to be able to vent the second tank while it fills up. The overflow pipe in the second tank serves as overflow for both tanks, and as the vent for the second tank. The first tank vents through the gutter down spout. Water in both tanks will be at roughly the same level even during heavy downpours as long as your inflow and outflow rates match. Been through two heavy downpours since I installed the system and it worked fine.
I worked in ah pallet shop for ah summer and I can tell you that pallets made in the <br>N.E. USA mostly use oak and swamp maple but I have see them made from all the hard wood species found there.
Thanks for the helpful info. I thought some of the decking planks looked like oak!
I have even seen some pallets made of mahogany but that was out on ah Pacific island.
Nice work. Very tidy.
Thanks!
Excellent project, and 'Ible. I especially like the trellises, what a great idea for dressing up, and concealing the barrels.
Thanks!

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