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1. General Hydroponics #ad
General Hydroponics pH Control Kit for a Balanced Nutrient Solution #adGeneral Hydroponics #ad
- General hydroponics ph control kit contains 8 ounce pH up, 8 ounce pH down, 1 ounce indicator and vial. Simply fill a test-tube halfway with nutrient, add a few drops of pH test Indicator, and observe the coloration of the liquid in the test vial.
General hydroponics pH control kit makes pH testing easy. Many growers prefer our pH test kit to expensive electronic meters because of its reliability and ease of use.
2. General Hydroponics #ad
Purple ph-Test-Strips, Natural, 8-Ounce, General Hydroponics GH1516 Indicator Fertilizer #adGeneral Hydroponics #ad
- Fill a test-tube halfway with nutrient. Use 3 drops per 5mL of solution. Observe the coloration of the liquid in the test vial. Add a few drops of pH Test Indicator.
3. General Hydroponics #ad
General Hydroponics pH Down Liquid Premium Buffering For Stability, 1-Gallon #adGeneral Hydroponics #ad
- Add when your nutrient pH is too high in order to lower the pH to the proper level. Acid formulation uses food grade phosphoric acid. Promotes pH stability.
4. General Hydroponics #ad
GH General Hydroponics pH Up and pH Down 1 Quart Combo Kit Water Adjuster Buffer #adGeneral Hydroponics #ad
- General. General hydroponics pH Down effectively lowers pH levels in nutrient solution. Hydroponics pH Up effectively raises pH levels. 1 quart.
5. VIVOSUN #ad
VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter #adVIVOSUN #ad
- 3-in-1 tds meter: measurement range 0-9990ppm, 0-9990µs/cm; accuracy ± 2%, 01- 800°c, 32. 0-176. 0°f. Ph meter: full measurement range of pH 0 - 14, reliable and quick readings.
Due to recently reviews about 1413 solution, please note that tds Meter had been calibrated by 1413 solution in advance; You can use it directly and it could last for 1 year without second calibration; So 1413 calibraiton solution is not included.
Great for all home and laboratory TDS & pH testing applications including aquariums, swimming pools. Note: this meter can't test sea water. Comes with protective case; Lightweight, handheld design for portability and convenience.