---
product_id: 99469279
title: "ISTA pH Controller, Blue"
brand: "ista"
price: "£1.68"
currency: GBP
in_stock: false
url: https://www.desertcart.co.uk/products/99469279-ista-ph-controller-blue
store_origin: GB
region: United Kingdom
---

# Freshwater & saltwater compatible Clear LED display Precise pH measurement ISTA pH Controller, Blue

**Brand:** ista
**Price:** £1.68
**Availability:** ❌ Out of Stock

## Summary

> 💧 Master Your Water Quality with Confidence!

## Quick Answers

- **What is this?** ISTA pH Controller, Blue by ista
- **How much does it cost?** £1.68 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/99469279-ista-ph-controller-blue)

## Best For

- ista enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Use:** Compatible with CO2 systems, calcium reactors, and dosing pumps.
- • **Dual Application:** Functional in both freshwater and saltwater environments.
- • **Accurate Readings:** LED screen ensures precise pH measurements every time.
- • **Calibration Ready:** Includes 4.01 and 7.0 calibration fluids for easy setup.
- • **User-Friendly Design:** Control panel cover protects settings and enhances usability.

## Overview

The ISTA pH Controller in Blue is a versatile tool designed for both freshwater and saltwater applications, providing accurate pH measurements with a user-friendly LED display. It comes with essential calibration fluids and is compatible with various aquatic systems, making it an essential addition for any serious aquarist.

## Description

This pH Controller designed by Ista is a fantastic, convenient device that will greatly aid you in monitoring the acidity level of your aquarium water. Functional in both freshwater and saltwater applications, this Controller provides convenient measurement of pH levels.Most often utilized in conjunction with CO2 systems, calcium reactors, and dosing pumps, it has the ability to monitor, control, and regulate pH levels in your water. Simply insert the probe from the system in which you are using it with, program your desired optimal range and this Controller will automatically turn the system on or off to maintain the appropriate levels.This pH Controller includes 4.01 and 7.0 calibration fluid, and has been manufactured with a control panel cover to protect against water, dust, and/or debris. It features a hanging rack that is suitable for a wide range of glass thicknesses, so it can be easily installed anywhere you like. Plus, its LED screen ensures you get an accurate, clear reading every time! 3.5" x 2.25" x 6", age range: All Life Stages

## Features

- Functional in both freshwater and saltwater applications
- Provides measurement of fundamental water parameters
- Use with CO2 systems, calcium reactors, and dosing pumps
- With 4.01 and 7.0 calibration fluid and control panel cover
- LED screen offers you an accurate, clear reading every time!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B015IQMMUQ |
| Allergen Information | Nut Free |
| Brand | ISTA |
| Brand Name | ISTA |
| Customer Reviews | 2.6 out of 5 stars 2 Reviews |
| Included Components | all |
| Item Type Name | pH Controller |
| Item Weight | 16 ounces |
| Manufacturer | Ista |
| Manufacturer Part Number | I-817 |
| Model Number | I-817 |
| Target Species | Fish |
| Unit Count | 1 Piece |

## Product Details

- **Brand:** ISTA
- **Item Weight:** 1 Pounds
- **Target Species:** Fish
- **Allergen Information:** Nut Free
- **Manufacturer:** Ista

## Images

![ISTA pH Controller, Blue - Image 1](https://m.media-amazon.com/images/I/61-+NJWFCxL.jpg)

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---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-19*