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Author Topic: Redoing my Rainwater harvesting - stick with IBCs or change to large tank?  (Read 5850 times)
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« Reply #15 on: November 15, 2019, 02:59:44 AM »

About 3 years in the sun top goes first assuming black dpc stuff which is what i used Angry

10x230 yingli +aurora2000 ,woodburner, 5x250 hyundia +sunnyboy 1200,  i waste nothing everything is useful i just havent found a use for it yet! Rainwater harvesting ibc system. 270w offgrid in hol home
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« Reply #16 on: November 15, 2019, 11:11:00 AM »

Phooey, could you not wrap the black plastic around the whole thing, frame and all, tying it with baler twine?
Man handling an IBC is heavy going and if it contained water!

6 Kw Proven wind turbine, 15 Navitron evacuated solar hot water tube array and 1.8 Kw PV, grid connected (SMA inverters) and GSHP supplying radiators and UFH. Wood burning stove (Esse 300) and oil fired Rayburn. Rainwater harvesting 4500 litre tank underground and 1500 litres above.  Kia e-Niro
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« Reply #17 on: November 15, 2019, 02:46:44 PM »

Wondering how best to arrange for the tanks to overflow in a place of my choosing and not just all over the floor.

If I do this with a pipe at position 1 standing up to the level I want to overflow at, will the pump just suck air? What about at position 2?

I could just drill a hole at the top of the side wall of one of the tanks, and run a pipe from there, but trying to use the same pipe for filling, emptying and overflow.

I'd go with option 2

the pump should not suck air anyway with a head of water over it... but better safe than sorry (if the pipes/taps get a bit silted up etc.)

also, if you can have a separate pipe for fill/empty then you should get a bit of circulation going when you overfill the system... tho I guess it'll only circulate the water in one of the IBCs anyway so probably not much different
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