XCSOURCE 20pcs 4.00 6.86 pH Meter Buffer Solution Powder for Quick Easy Accurate pH Calibration Water Purity BI672

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• No need to measure, just mix individual packs with distilled water.
• Calibration powders enable you accurate and quick test the pH of your pool, aquarium, water with your pH tester/meter.
• The set includes ten of 4.00 and ten of 6.86 calibration solution for your needs.
• Ideal for testing pH balance of drinking water, pool, aquarium, SPA or hydroponics.
• Designed for portability: Individual sized pack can be convenient to carry.

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Product Information

• Brand: XCSOURCE

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