Hydor Theo Heaters – Clearance (25W, 100W, 250W, 300W) sand fly collar dried algae

dried algae

reducing the likelihood of disease and promoting stronger

It can also be retracted unhindered when not necessary

Its design includes convenient access points

Hydor Theo Heaters – Clearance (25W, 100W, 250W, 300W) sand fly collar dried algaeLooking for the most reliable heating technology at a fraction of the cost? We have a limited stock of Hydor Theo Heaters available as 2nd hand units. These heaters are world renowned for their patented PTC (Positive Temperature Coefficient) technology, which makes them far more durable and safer than standard glass heaters, even when pre owned. Each unit has been fully tested and inspected to ensure the thermostat is accurate and the heating element