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Today's "The Toon-Box"
Posted by Wesley on![](/blog/uploads/toon/toon20170801.jpg)
Defined tags for this entry: Bitgaram City, lightning, Naju, rain, satellite TV, shower, television, water
Reducing water usage (Part 2)
Posted by Wesley on![Hey, it works](/blog/uploads/watersave05.jpg)
Measuring the amount of water coming out, the simple way
Softrong has touted their faucets' water-saving feature prominently, and I noted that it felt like it was working. But to see if it was indeed the case, I made actual measurements. No fancy equipment were necessary - just a stopwatch and a water jug would do as you can see here. After repeating and averaging, these are the results.
Shower Head Name |
Room | Consumption (ml/sec) | |||
---|---|---|---|---|---|
100% | 50% | 25% | 13% | ||
(Default Head) | 1 | 202 | 180 | 124 | 84 |
Softrong SH-50 | 109 | 106 | 82 | 35 | |
(Default Head) | 2 | 200 | 199 | 177 | 124 |
Softrong SH-50 | 101 | 101 | 99 | 75 |
Kitchen Faucet Name |
Mode | Consumption (ml/sec) | |
---|---|---|---|
100% | 50% | ||
(Default Faucet) | Default | 120 | 100 |
Softrong SKJ-60 | Spread | 49 | 44 |
Middle | 96 | 76 | |
Focused | 107 | 80 |
In any case, the replacements were definitely using less water if they were used for a same duration. Now I needed to see if this translated to tangible reduction in metered usage.
![It's been getting better](/blog/uploads/watertrend.png)
Comparison of the water consumption trends between 2015 and 2016
And here are the results. Note that, between late February and early April of 2015, Naju Bitgaram City suffered widespread contamination of tap water. It became unfit for most uses in heavily affected areas, and the city decided to not meter the water use during the affected period. However, the hot water use was still metered as you were paying the costs of heating the water, not the water use itself.
Taking this into account, tap water use hovered steadily around 13m3 (13,000L) throughout the year until the faucets were replaced. I saw a drop of around 1 to 2m3 afterwards. In the case of hot water, there had been about 1m3 reduction year-over-year (from 6m3 to 5m3 on average), but it dropped further on a similar scale as the tap water after the replacement.
Here, tap water costs about US$0.75/m3 and hot water, US$4.20/m3. So the reduction of 1m3 seen here equates to about 5 dollars in savings per month. The shower heads cost US$20 each and the kitchen faucet, US$30 - a total of US$70. That means it would only take just over a year to recover the upgrade costs. Even though the water use didn't fall dramatically, the new faucets still turned out to be good investments.
Reducing water usage (Part 1)
Posted by Wesley on!["Monster", as in performance](/blog/uploads/watersave01.jpg)
Softrong SKJ-60 kitchen faucet and SH-50 shower head
Not being content with just saving electricity, I looked for more ways to reduce monthly bills. There were two major pay-by-usage categories left: heating and water. With heating during last winter, I did some active manual adjustments instead of blindly relying on the thermostat, resulting in significant savings compared to last year. Sadly, it would be difficult to write this up. With water, there needed to be either some change of habits or hardware to see improvements. I did find the right hardware for the job, so I'm going to tell you about it.
![Holes in the traditional one look massive by comparison](/blog/uploads/watersave02.jpg)
Tiny rounded triangular holes produce strong streams with less water
It wasn't that my family members were particularly wasteful in terms of using water. In fact, overall water usage was consistently below average for the apartment complex. But hot water usage was above average. I guessed that this was due to heavy reliance on hot water during showers and dishwashing. So I bought some water-saving faucets from a company called Softrong in late February. By puncturing tiny, 0.25mm (0.01") holes on a stainless steel sheet for water to come out instead of using wider (~1mm) plastic-molded holes, the faucets supposedly produce stronger streams with less water, significantly cutting the amount of water used.