Description:Theo Heaters 200watt suitable for 100 to 200ltr water tanks These water heaters are just about bombproof! Unlike normal heaters which shatter when not fully submerged, 'Theo' heaters are unaffected by thermal shock. No more electric shocks! They feature a graduated scale for precise maintenance of temperature. You can even position them vertically or horizontally. Letting your water temperatures drop below 18'c will slow down your growth rates leaving you waiting longer for your hard earned rewards, so keep an eye on your minimum temperatures buy monitoring your nutrient tank with a minimum and maximum thermometer with probe. Optimum root zone temperatures range between 18-22'c
Price: £28.99
