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![[HI98121] Hanna pH/ORP/Temperature Combo Tester (Discontinued) deficiency Apply once a month](https://cdn.shopify.com/s/files/1/0502/3340/9702/products/hi98121-combo-orp-probe.jpg?v=1670473360)
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HDI Clonex Clone Solution is a nutrient specifically tailored for clones
It adds a certain portion of the UV spectrum to completely mimics the properties of natural sunlight
further reducing fatigue during extended use
4 Outlet air pump
[HI98121] Hanna pH/ORP/Temperature Combo Tester (Discontinued) deficiency Apply once a monthThe HI98121 is a lightweight ergonomically designed tester. This tester is designed to float making it ideal for taking readings virtually anywhere. With the HI98121 it is possible to monitor both pH and ORP at the same time. The HI98121 is commonly used to monitor pH and chlorine for many applications including swimming, food sanitization, plating wastewater treatment, and cooling tower water treatment. By definition pH is the measurement of the
