ZETLIGHT LED ZA1201-WIFI Test Meter The main component is a

The main component is a bacterial protein that is similar to the natural growth of the substrate

potassium iodide (E2) 2

The objective is to maintain a stable pH with as little fluctuations as possible

Add to this 1 level scoop of PO4-2 reagent and swirl the contents gently for 30 seconds

ZETLIGHT LED ZA1201-WIFI Test Meter The main component is aAcrylic mounting bracket included Size : 26 x 12 x 2. 7 cm (10. 2 x 4. 7 x 1. 1 inches) Power : 19W Input voltage : AC100V 240V Lumens : 1100LM Wireless control This model can be controlled wireless by Wifi using Horizon Aqua APP. LED distribution 14 white LED 12000K (color temp.) 2 blue and violet clusters groups 415 465nm (wavelength) 5 red LED 620 630nm (wavelength) 5 green LED 520 535nm (wavelength)