Thanks Diver, I hope you get the feel I am a good guy not a bad one, and apologise for overlinking.
Please send me an email paul (at) justwatersaversusa.com to let me know which product you have a concern about on our website. I am not aware of the product / issue which you refer to, and I will resolve asap. The products are all installed by us and we know them well, so would like to know what the potential issue is.
As a side note, the product that I described, sold by a national hardware is particularly irritating, as the importer (a very well known irrigation controller company), and the hardware company both know at management level that the product cannot be fitted as described, but basically couldnt care less.
re using a hose on the US website, related to greywater, I will make a note to have explanatory text included (Wyoming does permit aerated untreated greywater when not windy).
re 12,000 litres over 200m2 garden space per month. The correct area (based on 20 centimetres of evapotranspiration per month - about right for melbourne in summer, and assuming no rain) is close enough to 120 square metres, assuming medium water use plants, fully planted. Soil type is irrelevant when determining the optimal irrigation area (it is important during non summer months). If there was 50mm reliable rain each month (not the case in Melbourne) then the area increases to 160 m2 - note this is all using drip irrigation, not by hose.
Although 150 litre of water over three months per square metre sounds a lot, it is only 5cm irrigation per month. Best practice is to have the plants grow as well as possible and have the excess nutrients / bacteria etc consumed by the plants.
We generally look for at least 10,000 litres per month grey and/or rainwater for a typical 700 m2 block, to achieve adequate irrigation, excluding lawn areas!.
This is from an industry accepted formula (worldwide). The formula and a manual calculation is explained at http://www.besthomewatersavers.com/pages/ETo-and-irrigation-efficency-in-depth.html .Apologies for everything being in inches and gallons etc, and hope the link doesnt offend, but its too much detail to put here, we also havent put this level of detail on the Aus site yet.
The downside of this much water is if it is only sourced from washing machine water, and therefore with a high PH overall, generally averageing over the enitre wash 8.5 - 9.0. In which case we recommend monitoring soil ph levels. None of our customers have had soil ph issues over 5 years of monitoring.
Overall, the Aus website is in need of a serious overhaul, but have to be honest and say the US website has higher priority now (and for the next 3 months).
Later in the week I will try to find time to review the article, and look at how I can add to it with a new forum topic.
Best Regards
Paul
Posted Sunday 8 Aug 2010 @ 2:55:25 am from IP
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