That means no more pH ups or downs

and a deeper understanding of these issues is critical to grow competitively

One-year peace-of-mind warranty

Designed and fully tested for use with a Digi-Lumen E Ballast on Super Lumens setting (690 watts for a total output of 1820 µmol/s)

But you can’t catch up: after those first two weeks are gone

Aqua Master Tools EC Temp Meter E50 Pro Professor’s Nutrients That means no more pHThe E50 Pro EC temp meter is the latest tool in Aqua Master Tools wide range of high quality products. Ideal for measuring EC and temperature of liquid plant nutrition and water in swimming pools, Jacuzzis, and ponds. Effortlessly switch between the parameters with the user friendly buttons. The meter is delivered fully calibrated and includes batteries. How does the meter work? Remove the protective cover. Gently clean the electrode with distilled