Rain harvesting can and should be an important step in the direction of sustainability. Because there are various reasons why rain harvesting is a positive approach to water conservation it is central to take the process step by step.
When rain harvesting becomes uppermost in your mind, your next step is to define the four types of rainwater tanks.
Each type of rainwater tank has their pros and cons. Here is an easy primer for those who are in the market.
The most well-liked rainwater tank is the polyethylene rainwater tank. It is very light and can be used above and below ground. One of its most exciting features is its cost. It is less expensive than the following.
Coming in a close second because of its resistance to rust and the fact that it can withstand extreme temperatures, is the fiberglass rainwater tank. Although fiberglass is a little more expensive it might become your choice if you choose to spend a little more.
Metal rainwater tanks are also an option, less expensive, resistant to rust, and extreme temperatures as well.
The type of rainwater tank that has the most extreme benefits and liabilities, however, are the concrete rainwater tanks. The concrete rainwater tank is able to keep water cool and allows drainage. However, there is a tendency to crack over time, and this is the central dilemma with the concrete option.
If you keep this information in mind your next step is to ask the following questions.
1) What kind of climate will this rainwater tank serve?
2) Will it be above or below ground?
3) What is the water going to be used for? Household or outdoor use? Or both?
Remember, rainwater tank stored water can be used for gardening, flushing toilets, washing cars, and clothes, even for drinking water, if properly treated, so the case for rain harvesting is a optimistic one.
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