I don't know if You like Swimming in nice Warm water ?  www.warm-water.be 

With The Portable Sun powered Water Heater for Pools 1,04 kW DIY... You can !

 ( very easy to use, everyone can, I can ! )

  http://www.instructables.com/id/Portable-Solar-Pool-Heater-104-K-Watt/

 

Heat your pool and create a hotspot, a Acclimatization-Spot.

 Good Luck !

click also on tab "Dutch/Nederlands" and use "Translate"   

  We re-invented the warm-water !

 

Heat your pool with the SUN 4 free !

Very, Very, Very, Easy !

With only 4 parts :

  1. Solar bag 1-2-3 or mat or 50 meter black tube 25 mm.  about 15 - 59 Euro

  2. a Ceramic Pump 12 Volt  ( Safety )  Up to 5 metre head from 12V/14Watt version      about 35 Euro
    A best selling, economical and well proven pump, ideal for use in solar hot-water systems https://www.youtube.com/watch?v=suv3vqGnoFg

    12Volt DC Water Pump, Low Wattage for Photovoltaic Solar Panel ...

  3. a Portable Folding PV Solar Panel 12 Volt / 40 Watt ( Safety )   about 40 - 165 Euro


  4. 2 tubes and a tube-pump adapter/reducer 13mm - 25/32 mm    about 5 - 20 Euro


Look at the pictures 

For more pictures goto "Fotoalbum" 

 http://www.instructables.com/id/Portable-Solar-Pool-Heater-104-K-Watt/

 

www.warm-water.be   

  • pump connector

  • adaptor/reducer with different tubes

  • Blue tube 32mm

    http://www.zwembadstore.be/zwembaden-toebehoren/zwembadslangen.html

  • 12 Volt electricity wire