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Couple of rainwater tank/pump questions  RSS feed

Posts: 53
Location: Sth Gippsland and Melbourne
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There's a large hayshed on our block with a metal roof about 20m x 10m. We get around 900mm to 1400mm annual rainfall.

There's currently a 23kl tank connected to the guttering on the shed. I'm thinking about adding another 23kl tank next to the existing tank and also putting a 50kl tank on a rise about 70m linear and 5m or so vertical above the current tanks.

The 50kl tank would be at the high point of a paddock so could be used to drip irrigate anything in there by gravity. I'd like to reticulate water to this larger tank from the tanks by the hayshed using a submersible solar pump. I'd be very interested if anyone has experience and lessons learnt with using a solar pump in this fashion. Particularly how often the solar submersible needs to be checked and what goes wrong.

I'd like to use water from the smaller tanks to irrigate young trees and crops in a lower paddock. From a bit of reading it seems I can use a hand trigger rose or a few sprinklers supplied by a small electric pump. Power would be from batteries or a small generator at the hayshed. (We're offgrid.)

Again, I would be very interested in any experience with using small electric pumps off tanks to supply sprinklers and the like


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