🌊 Elevate Your pH Game with BOJACK! Simply mix and measure for instant results. Moisture-proof packets ensure freshness and reliability. BPA-free and non-toxic for peace of mind. Achieve laboratory-grade accuracy with our pH solutions. Perfect for water testing, aquariums, and hydroponics. 250ML mix 15 packets ±0.01 accuracy The BOJACK 15 Pack of pH Meter Buffer Solution Powder offers precise calibration for your pH meter with three distinct pH levels (4.01, 6.86, and 9.18). Each packet is designed for easy mixing with distilled water, ensuring accurate readings within ±0.01 pH units. The moisture-proof packaging keeps the powder fresh, making it ideal for various applications, including drinking water, aquariums, and hydroponics. Plus, it's BPA-free and safe for all users.