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Aquarium CO2 Indicator Solution Fish Tank Liquid Test Plants 0.5Oz Reagent Solution for Planted Aquariums Easy to Use

brand new and high qualityFeatures:High quality of materials.Use with CO2 indicator.Easy to use and convenient to detect concentration of CO2.Suitable for all kinds of fish tank.Different color of liquid represents different concentration of CO2.BLUE means that CO2s concentration is too low.GREEN means it is normal.YELLOW means that CO2s concentration is too high so that it is harm to fish.A wonderful solution for feeding fish and observing their living condition.1 pc of solution only,other accessories demo in the picture are not LiquidColor: As pictures shownSize: One SizeHeight: 7.7cm3.03inNet Weight: 15mlQuantity: 1 PcNote:1.Please allow 1-3cm error due to manual measurement. pls [...]

3/6/15pcs PH 4.00 6.86 9.18 Solution Calibration Buffer Powder Accuracy 0.01PH For PH Tester Meter Digital Measurement

PH Powder Calibration Solution Directions for use: Step 1: Open the packet and pour the powder into a cleaning dry glass container. Step 2: Add 250mL deionized water or distilled water to the beaker. Step 3: Stir until the powder has completely dissolved. Step 4: Calibrate your pH meter. Rinse the meter by pure water before test Specification: Each Pack Volume: 250 ml Each powder packet/sachet makes 250ml of solution when mixed with distilled or deionized water Accuracy: ±0.01pH at 25°C Quantity: 3/6/15pcs [...]

UTHAI C21 MINI TYPE-C OTG Adapter USB into TYPE C USB3.1 flash drive become U Disk

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