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- Free yourself from tedious pH adjustment with pH Perfect® technology
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Which model does this X16-F3 filter fit
• Higher lumen output than magnetic ballasts
Active Air 3-Way Meter Controller - Free yourself from tediousDescription Convenient 3 Way Meter: The Active Air 3 Way Meter allows gardeners to easily test moisture, light, and pH levels. Moisture readings register on a scale from 0 (dry) to 10 (moist), light readings range from 0 LUX (low light) to 2000 LUX (very strong light), and it provides accurate pH readings between pH 3. 5 and 8. Durable and Easy to Read: This tester is not only easy to read but also durable, suitable for both indoor and outdoor use. It
