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Friday, October 12, 2018

A 24/7 Home Water Irrigation System for Flower Pots


11 October 2018

A home water irrigation system that will supply enough water for the plants to keep them healthy and happy round the clock.    This system needs no water timers.   

How?

To use wicking action to supply water to the plants.  With this system ,  one can easily check if  there is enough water delivered to the pots and plants. 

What is Wicking Action?

It is an absorption  of liquid through capillary action by a material such as candle wick, paper or fabric cloth or strip.  In this irrigation system,  fabric strips are used instead of wicks as they are economical and easy to use;  furthermore,  one could control the rate of water flow easily 


What’s needed? 

1.  A length of 13 mm PVC to deliver water to the flower pots or plant
 Click to enlarge picture if necessary
2.  A plastic water cup with lid for each plant. 











3.  4 mm  silicone tube often used in aquarium,  preferably black in color to avoid algae growth.


4. Dremel drill or similar with abrasive grinding Stone of 3.5 mm tip 
 




5.  A few sheets of woven type fabric filter cloth


6   Few glue sticks









7.  Mini float valve so that 4 mm or larger silicon tube could supply water through the float valve.










8  Plastic storage box about 150 x 150 x 120 mm

Step by Step

1.  Making plastic box stand


a)  Cut a strip of PVC measuring about 15 x 100 mm to make 2 stands for the cups as shown






b)  Heat the larger end of the PVC strip with a lighter and make it flat to form a  base to fix onto the bottom of the plastic cup using hot glue stick. 








c)  Once the stand is ready,  drill 2 holes,  one on the top and the other at near bottom of the cup.  Making sure the near bottom hole is about 3.5 mm for the 4 mm silicon tube to be inserted tightly with no water leak. Make a horizontal cut at the top hole using a scissor.

d)  Cut a long fabric strip of  about 5 mm width with one of its ends "threaded" through  the cup, making sure the strip will pass through the horizontal cut at the top hole as shown

e)  Extend the 5 mm fabric strip if necessary so that the strip can be wrapped round the PVC stand.  A wedge made at the end of stand can be used to terminate the fabric strip.

f)  With the cup cover fix,  the cup is ready to be used
https://3.bp.blogspot.com/-FUNeORrNqgU/W77QGJm6QUI/AAAAAAAADTE/805QSKmZ0cgDasU802Ib88RGBDOtg-AqACLcBGAs/s1600/2018-10-10_18h50_06.jpg

2.  Constructing the Water tank


a)  At  about 100 mm from the bottom,  drill  a  hole of size to fit the mini float;

b)   At the opposite bottom end,  drill another hole of size to fit a PVC socket or otherwise to fix a 6 mm flexible PVC hose.   The hose will allow tank to be moved to adjust water level..   

Alternatively in areas where water cannot be  piped through, one can use invested mineral water bottles as shown in the second picture.  
https://4.bp.blogspot.com/-pA1URS5sxho/W77QaPc2D1I/AAAAAAAADTQ/g3273Kysmq0bGE7H16UsNtZpclyqgxIwgCLcBGAs/s1600/2018-10-08_22h10_58.jpg



3.  Constructing Water Distribution pipe


a)  For each cup,  make a 3.5 mm hole on top of the distribution pipe for the 4 mm silicon tube to be inserted.   There should not be any water leakage if the tube in inserted  properly;  if necessary,  apply UHU Glue to seal the leak.
b)  Connect the other end of the silicon tube to the plastic water cup as shown.

4.  Installation


a)  Tank Installation
Select a suitable place so that the water distribution pipe will be 15-20 mm below the surface of the earth in the pot.  If the pot is too large and too high,  drill appropriate holes in the pot for the tube and make sure the earth level of the pot is not higher than 20 mm from the distribution pipe.

If necessary,  use bubble leveler to ensure that the distribution pipe is truly horizontal.  This will ensure water will find its level to supply water to the cups.  Thereafter,  fix the pipe in position by using pegs or pipe hangers.

b)  Flower pot placement
Adjust the height of the pot using padding so that all the surfaces of the earth in the pots are at about the same level;  if necessary, construct small stools for the smaller flower pots.
 
https://3.bp.blogspot.com/-UOJlJAUliaQ/W77Q8-SrR7I/AAAAAAAADTg/UYd-0ewf6XgShP2qcazgsfgj7zFvmPkBQCLcBGAs/s1600/2018-10-11_09h50_53.jpg

5.  Testing and commissioning


a)  Adjust the water dripping  rate to about 2 drops of water per 5 minutes or about 30-50 mils per day.  This dripping rate can checked by hanging the cup's stand to the pipe as shown using rubber bands

b)  The dripping rate can be adjusted  by: 
1.  Increasing the depth of the water level in the cup;
2.  Trimming the width of the fibre strip to reduce the water wicking action






https://4.bp.blogspot.com/-1PdpTQdIkeM/W77RHusiqWI/AAAAAAAADTk/bJbpILE6w3cxK4_fT-iBoXKpoSprgbCNwCLcBGAs/s1600/2018-10-08_22h09_58.jpg

6.  Water Filtration System

Water filters will be needed to get rid of algae which will easily clog up the small pipes or tubes. 

One should place water filtering media in the following places:

a)  in the water tank
b)  along and in-line with the water distribution pipe as shown










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7.  Maintenance

No system can work properly without  maintenance.   Once a while,  one should do the following;

a)  Monitor the water level in the cup,  making sure that water level is about the same;

b)  Place paper testing strip  under each flower pot to test the wicking action.  Paper should not be  too wet or too dry.  One can also try to use finger to test the wetness of the soil.

c)  Clean up the filters and clear the clog in the silicon tube as and when necessary.  Bicycle pump is a good tool to apply pressure to clear any water clog.

If one found no water in the cup,   one can do the following:
a)   Fill the water tank as high as possible to force water to flow into the cup;
b)  Pump water into the cup by massaging or pressing the silicon tube repeatedly.


https://4.bp.blogspot.com/-G5VQ4BehcrY/W77SxMPOxVI/AAAAAAAADT8/QhGHY90wLW0JrVw7FCxd0nmggrTFl8XeQCLcBGAs/s1600/2018-10-11_09h50_18.jpg



Note :   The system will work best in low water pressure as silicon tube are not for high pressure application.   High level water cistern should be used as water source instead of the high pressure water mains.   

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Other reference articles 

tinyurl  :  https://tinyurl.com/y9gxuuzk




6 comments:

  1. irrigation essentially means the watering of land to make it ready for agricultural purposes. An irrigation system is the supplying of water via artificial canals and channels to growing plants and crops in a field. Water is vital for the growth of plants.

    ReplyDelete
  2. All the plants need water everyday. If you don't give water in summertime. your plant are not growing at a time. Fresh water can found on water filter. If you want to need this, feel free to visit website.

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  4. Water tanks are an important part of your house as they are exposed to the environment and hold the complete water cycle of your house. It is your duty to protect it by a water tank jacket and take better water tank insulation to prevent your tanks from various environmental conditions. Let’s take a tour of a few tips which keep your water tank away from freezing in winter time.

    ReplyDelete
  5. Water tanks are an important part of your house as they are exposed to the environment and hold the complete water cycle of your house. It is your duty to protect it by a water tank jacket and take better water tank insulation to prevent your tanks from various environmental conditions. Let’s take a tour of a few tips which keep your water tank away from freezing in winter time.

    ReplyDelete

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