Reptile Systems Thermostat 500w Nutrient Control changes reversibly from yellow to

changes reversibly from yellow to green to blue relative to the ammonia concentration

providing an ideal colonization substrate and a suitable source of organic carbon to beneficial microbes responsible for uptake of nitrate and phosphate

crude protein (min) 0

Tank Volume - 2000L

Reptile Systems Thermostat 500w Nutrient Control changes reversibly from yellow toAn ultra reliable ON OFF thermostat is truly a wonderful addition to the range, with high thermal response, waterproof probe and ability to operate heating devices up to 500w. A cost effect thermostat that is Ideal for use with Reptile Systems heat cables,heat mats and ceramics. Simple to use with large temperature control dial and LED power and heating indicators. Suitable for both reptile and aquatic application. On off thermostat Controls non light