---
product_id: 48317861
title: "Interpet Aqualibrium First Aid Salt Additive Tonic Treatment, Support Sick and Stressed Aquarium Fish, pH Buffer, 260 g"
brand: "interpet"
price: "£9.42"
currency: GBP
in_stock: true
reviews_count: 8
category: "Interpet"
url: https://www.desertcart.co.uk/products/48317861-interpet-aqualibrium-first-aid-salt-additive-tonic-treatment-support-sick
store_origin: GB
region: United Kingdom
---

# Long-lasting in aquarium water Mild pH buffering action Maintains internal salt-fluid balance Interpet Aqualibrium First Aid Salt Additive Tonic Treatment, Support Sick and Stressed Aquarium Fish, pH Buffer, 260 g

**Brand:** interpet
**Price:** £9.42
**Availability:** ✅ In Stock

## Summary

> 🐠 Keep your fish thriving with every drop – the ultimate first aid salt tonic!

## Quick Answers

- **What is this?** Interpet Aqualibrium First Aid Salt Additive Tonic Treatment, Support Sick and Stressed Aquarium Fish, pH Buffer, 260 g by interpet
- **How much does it cost?** £9.42 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/48317861-interpet-aqualibrium-first-aid-salt-additive-tonic-treatment-support-sick)

## Best For

- interpet enthusiasts

## Why This Product

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

## Key Features

- • **Long-Lasting Formula:** Remains effective indefinitely until water changes remove it
- • **Stress-Free Swimming:** Reduces physiological stress for vibrant, healthy fish
- • **Universal Compatibility:** Safe for cold-water & tropical freshwater tanks, pairs with other treatments
- • **Versatile Tonic Treatment:** Works as a general tonic and supports disease recovery
- • **Balanced Aquarium Ecosystem:** Stabilizes water quality to support your tank’s natural harmony

## Overview

Interpet Aqualibrium First Aid Salt Additive is a 260g powder designed to support sick and stressed freshwater fish by maintaining their internal salt-fluid balance and buffering pH levels. Suitable for both cold-water and tropical aquariums, it reduces physiological stress and stabilizes water quality. This versatile tonic remains active indefinitely until removed by water changes, making it an essential, long-lasting treatment to keep your aquarium ecosystem healthy and balanced.

## Description

Free delivery and returns on eligible orders. Buy Interpet Aqualibrium First Aid Salt Additive Tonic Treatment, Support Sick and Stressed Aquarium Fish, pH Buffer, 260 g at desertcart UK.

Review: FIN-tastic! - My fish had been poorly. At feeding time he normal comes up to me very alert clearly healthy. But when he didn't and started laying at the bottom of the tank and just looked miserable, I was worried. I did everything but he was the same. Then I looked at products and I seen this and the amazing feed back and thought give it a go. A few days later he's flying around his environment lookng healthy and wanting his food. I just followed the instructions and added small amounts for about 3 days and that was just what he needed. It looks like salt grains you put in the tank and they melt but it stays in the environment until the next water change. I would highly recommend. I will always keep a box of this to hand in future.
Review: Good quality product - Good product

## Features

- Warning:Not suitable for children under 36 months
- Aqualibrium First Aid Salt is a unique physiological salt formula which helps freshwater fish maintain a constant internal salt-fluid balance
- A versatile water treatment which can be used as a general aquarium tonic, a mild pH buffer, and a supportive measure when treating fish diseases
- Reduces physiological stress for healthier fish, stablises water quality to support your aquarium's balance
- For use in cold-water or tropical freshwater aquariums. This product can be used with any other Interpet medication or water treatment
- Once Aqualibrium First Aid Salt Additive has been added it will remain indefinitely, only being removed by water changes and water outflow

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003M05BM2 |
| Allergen Information | Allergen-Free |
| Best Sellers Rank | 4,597 in Pet Supplies ( See Top 100 in Pet Supplies ) 52 in Aquarium Water Treatments |
| Brand | Interpet |
| Brand Name | Interpet |
| Country Of Origin | United Kingdom |
| Customer Reviews | 4.4 out of 5 stars 996 Reviews |
| Global Trade Identification Number | 00755349005215 |
| Included Components | See Description |
| Item Form | Powder |
| Item Type Name | Interpet Aqualibrium First Aid Salt Additive Tonic Treatment, Support Sick and Stressed Aquarium Fish, pH Buffer, 260 g |
| Item Weight | 260 Grams |
| Item form | Powder |
| Item height | 4 centimetres |
| Item weight | 260 Grams |
| Manufacturer | Interpet |
| Product Warranty | Manufacturer Fault |
| Target Species | Fish |
| UPC | 501292005211 798256219375 755349005215 |
| Unit Count | 260.0 gram |

## Product Details

- **Brand:** Interpet
- **Item weight:** 260 Grams
- **Item form:** Powder
- **Manufacturer:** Interpet
- **UPC:** 501292005211 798256219375 755349005215

## Images

![Interpet Aqualibrium First Aid Salt Additive Tonic Treatment, Support Sick and Stressed Aquarium Fish, pH Buffer, 260 g - Image 1](https://m.media-amazon.com/images/I/71SBPvlVGYL.jpg)

## Questions & Answers

**Q: 1 of my fish has columnaris & all of the others arent as active as they normally are. Will this cure them? I have some platies, neon tetras & shrimps.**
A: I’d recommend this along with a big water change - start with 1g/L then build up to higher level as on pack - should help as a tonic

**Q: Hi i have 300 lt aquarium how many tea spoons do i have use ??  thanks**
A: Hello the dosage is mentioned on the packaging for general use - 1% solution is 1g/L. Higher for medicinal uses. You should have enough for 780L general use :)

**Q: This has made my water go slightly yellow. Is this normal ?**
A: Hello Andrew- I experienced yellowing when preparing the solution and in the tank. This dispersed and cleared after two days- hope this helps- kind regards, Ruth

**Q: Cold water fish**
A: My wife uses this in her aquarium & she only has cold water tanks so yes.

## Customer Reviews

### ⭐⭐⭐⭐⭐ FIN-tastic!
*by M***T on 25 June 2025*

My fish had been poorly. At feeding time he normal comes up to me very alert clearly healthy. But when he didn't and started laying at the bottom of the tank and just looked miserable, I was worried. I did everything but he was the same. Then I looked at products and I seen this and the amazing feed back and thought give it a go. A few days later he's flying around his environment lookng healthy and wanting his food. I just followed the instructions and added small amounts for about 3 days and that was just what he needed. It looks like salt grains you put in the tank and they melt but it stays in the environment until the next water change. I would highly recommend. I will always keep a box of this to hand in future.

### ⭐⭐⭐⭐⭐ Good quality product
*by T***N on 11 December 2025*

Good product

### ⭐⭐⭐⭐ Couldn't save my fish
*by L***E on 24 May 2024*

Tried to treat one of my fish for finrot with this and the medicine liquid but he died. I added some of the leftover salt to my bigger tank in a small dosage and my fish seem so much happier, I have a shrimp who was flying round the tank too, hopefully I can prevent any further issues but rip my little guy

## Frequently Bought Together

- Interpet Aqualibrium First Aid Salt Additive Tonic Treatment, Support Sick and Stressed Aquarium Fish, pH Buffer, 260 g
- Interpet Anti Internal Bacteria Treatment for Aquarium Fish, Halts Progress of Bacterial Problems, 100 ml, Treats 500 litres
- Interpet Anti Fungus and Finrot Aquarium Fish Treatment, Treats Affected Fish, Prevents Disease Spreading, 100 ml, Treats 500 litres

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-28*