---
product_id: 62180318
title: "pH Buffer Calibration Kit 2-Pack — 250 mL (8.4 fl oz) Bottle of Each: pH 4.00 and pH 7.00 | Color Coded"
brand: "biopharm"
price: "S/.152"
currency: PEN
in_stock: true
reviews_count: 9
category: "Biopharm"
url: https://www.desertcart.pe/products/62180318-ph-buffer-calibration-kit-2-pack-250-ml-8-4
store_origin: PE
region: Peru
---

# 250 mL bottles for easy handling Waterproof color-coded labels 2 precise pH standards (4.00 & 7.00) pH Buffer Calibration Kit 2-Pack — 250 mL (8.4 fl oz) Bottle of Each: pH 4.00 and pH 7.00 | Color Coded

**Brand:** biopharm
**Price:** S/.152
**Availability:** ✅ In Stock

## Summary

> 🧪 Calibrate with confidence — because precision is the new power move.

## Quick Answers

- **What is this?** pH Buffer Calibration Kit 2-Pack — 250 mL (8.4 fl oz) Bottle of Each: pH 4.00 and pH 7.00 | Color Coded by biopharm
- **How much does it cost?** S/.152 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/62180318-ph-buffer-calibration-kit-2-pack-250-ml-8-4)

## Best For

- biopharm enthusiasts

## Why This Product

- Trusted biopharm brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual pH Precision:** Calibrate with scientifically validated pH 4.00 and 7.00 buffers for unmatched accuracy.
- • **Universal Compatibility:** Perfectly suited for all pH meters—no guesswork, just reliable results every time.
- • **Expert Guidance Included:** Free 'How to Use' sheet empowers you to calibrate like a pro, boosting confidence and precision.
- • **Ready-to-Use Convenience:** Individually bagged 250 mL bottles keep your solutions fresh and portable for on-the-go professionals.
- • **Effortless Identification:** Color-coded, waterproof labels ensure quick, error-free calibration in any environment.

## Overview

This pH Buffer Calibration Kit includes two 250 mL bottles of scientifically standardized pH 4.00 and 7.00 solutions, each with waterproof color-coded labels for easy identification. Manufactured under strict lab protocols and NIST standards, it guarantees reliable calibration for all pH meters, ideal for hydroponics, aquariums, pools, and more. The kit comes with a free usage guide and offers over a year of shelf life, ensuring professional-grade accuracy and convenience.

## Description

Want that feeling of confidence from doing things right? Get our accurate, unbiased, independent and scientifically documented calibration standards and be sure your meter is working correctly. These buffer calibration solutions are suitable for the calibration of all pH meters. Each production lot is manufactured in our laboratory following carefully controlled written procedures and standardized against NIST standard reference materials (SRM) for high accuracy. The finished product is assigned a unique Lot number and expiration date. These products will have greater than one year shelf life when received.

Review: 4.0 calibration - I was able to quickly calibrate my test equipment and store it properly.
Review: Works well - Quick shipping, well packaged, no complaints

## Features

- Convenient Waterproof Labels
- Suitable for ALL pH Meters
- FREE 'How to Use" sheet included
- Ideal for Hydroponics, Aquariums, Aquaponics and Pools
- Individually Bagged 250 ml (8 oz) Poly Bottles

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07B8JDKFL |
| Best Sellers Rank | #246,746 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #114 in Chemical Buffers |
| Date First Available | September 9, 2016 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.42 pounds |
| Manufacturer | Biopharm Inc |
| Package Dimensions | 9.25 x 4.33 x 2.64 inches |

## Product Details

- **Brand:** Biopharm
- **Item Form:** Liquid
- **Item Volume:** 250 Milliliters
- **Item Weight:** 0.64 Kilograms
- **Package Information:** Bottle

## Images

![pH Buffer Calibration Kit 2-Pack — 250 mL (8.4 fl oz) Bottle of Each: pH 4.00 and pH 7.00 | Color Coded - Image 1](https://m.media-amazon.com/images/I/81EPHS+cJaL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 4.0 calibration
*by G***Y on September 28, 2024*

I was able to quickly calibrate my test equipment and store it properly.

### ⭐⭐⭐⭐⭐ Works well
*by N***U on October 12, 2024*

Quick shipping, well packaged, no complaints

### ⭐⭐⭐⭐⭐ Quality
*by T***K on July 31, 2025*

Good

## Frequently Bought Together

- pH Buffer Calibration Kit 2-Pack — 250 mL (8.4 fl oz) Bottle of Each: pH 4.00 and pH 7.00 | Color Coded
- Bluelab STSOL120 KCL Storage Solution 120ml pH Probe and Pen, Maintain Meters Used for Water, Soil, and Hydroponic System or Indoor Plant Grow White
- Apera Instruments AI1113 pH Calibration Buffer Solution Kit (7.00, 4.00), 8 oz. Each

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*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-03-16*