Acid Buffer
An acid buffer is a product used to lower and help stabilise the pH of aquarium water. It’s especially useful if your tank water is naturally too alkaline (high pH) for the fish or plants you’re keeping. In many cases it’s used together with an alkaline buffer to set and maintain a specific pH range that’s right for your setup.
What It Does
It lowers pH by buffering your water; this means it helps resist sudden pH changes once adjusted.
In products like Seachem Acid Buffer, it also converts carbonate hardness (KH) into plant‑available CO₂, which can benefit planted freshwater tanks.
Works best when matched with an alkaline buffer (like Seachem Alkaline Buffer) to dial in a target pH range without big swings.
Most acid buffers are phosphate‑free, so they won’t promote algae growth.
Where It’s Used
Freshwater planted aquariums with hard, high‑pH waterTanks where a specific lower pH range is desiredAs part of a pH adjustment routine during water changes
How To Use
Start with small doses and test the water before and after adding the buffer.
Follow the dosing on the label - for example, many products suggest ~2 g per ~80 L of water as a starting point.
If using with an alkaline buffer, you can target specific pH ranges by adjusting the ratio of the two.
Alternatives & Related Products
Aqua Clean Acid Drop Buffer – another acid buffer option for lowering pH.
Waterlife Ph 7.2 Acid Buffer – buffer aimed at a specific target around pH 7.2.
Seachem Acid Regulator 1Kilo – similar purpose for general pH lowering.
API pH Down – liquid alternative to powder buffers.
Essentials Lab Buffer 7 1L – liquid buffer solutions for precise pH adjustment.
Support products like Seachem Neutral Regulator help set pH to neutral (around 7) when used with both acid and alkaline buffers.
Tips
Always test your water (KH & pH) before adjusting. Make changes gradually -large pH jumps can stress fish.
Seachem Acid Regulator – 250g
Seachem acid regulator is a buffering powder used to safely lower and stabilise pH in freshwater aquariums. It creates a slightly acidic environment that many tropical fish prefer and helps keep water chemistry stable over time.
What it does
Lowers and buffers pH to an acidic range (around 5.0–7.0)
Helps create ideal conditions for fish such as tetras, angelfish, discus, and other soft-water species
Stabilises pH to prevent sudden swings
Supports healthy biological activity and reduces stress on fish
Works well with Seachem neutral regulator or alkaline regulator to fine-tune pH
Why it’s useful
Helps recreate natural soft-water environments
Makes pH control simple and predictable
Helps avoid fluctuating conditions that can stress fish
Ideal for community tanks with fish that prefer lower pH
Suitable for regular maintenance or adjusting new water during water changes
How to use
Add the recommended dose to new or existing aquarium water
Adjust gradually to the desired pH range
Re-dose during water changes to maintain stable conditions
Test water regularly when adjusting pH
(Use only in freshwater.)
Ideal for
Tetras, discus, angelfish, rasboras, gouramis, and other soft-water species
Freshwater community tanks
Water with naturally high pH or hardness
Aquarists needing reliable, consistent pH control
Stable, controlled pH for soft-water aquariums
Seachem acid regulator 250g offers a safe and effective way to achieve and maintain the acidic conditions preferred by many tropical fish.
Seachem Alerts Combo Pack – Ammonia and pH
The seachem alerts combo pack includes the ammonia alert and the pH alert, two colour-changing sensors that give you continuous, easy monitoring of your aquarium water. They sit inside the tank and show changes instantly, without test strips, liquids, or waiting times.
What’s included
Ammonia alert
Monitors free ammonia (the toxic form)
Colour changes show safe, alert, and danger levels
Helps prevent stress and fish loss
Lasts up to one year in freshwater or marine setups
No water sampling or test kits needed
pH alert
Continuously monitors pH in freshwater tanks
Clear colour scale for quick reading
Useful for community tanks, planted tanks, and sensitive species
Lasts 3–6 months depending on conditions
No calibration or maintenance needed
Why choose this combo
Constant monitoring without extra effort
Early warning for ammonia or pH problems
Beginner friendly and reliable for experienced hobbyists
Reusable and cost-effective
Low-profile design that sits neatly inside the tank
Ideal for
Freshwater community aquariums
New tank cycling
Planted and shrimp tanks
Betta tanks and nano setups
Breeding and quarantine tanks
How to use
Rinse each alert with aquarium water
Place inside the tank where you can easily see it
Read the colour against the built-in scale
Keep your aquarium safe with simple, 24/7 water monitoring
The seachem alerts combo pack offers an easy, reliable way to track two of the most important parameters in any aquarium.
Seachem Algae Pad– Non-Scratch Aquarium Cleaning Pads
Keep your aquarium glass and acrylic spotless with the Seachem Algae Pad (3 Pack). These durable, non-scratch cleaning pads are specially designed to remove algae and buildup from aquarium surfaces without damaging glass or acrylic.
Perfect for routine tank maintenance, Seachem Algae Pads make it easy to keep your aquarium looking clear and vibrant. The ergonomic design allows for comfortable handling while effectively scrubbing away stubborn algae from panels, corners, and hard-to-reach areas.
Benefits
✔ Removes algae quickly and effectively✔ Safe for both glass and acrylic aquariums✔ Non-scratch material protects tank surfaces✔ Helps maintain clear viewing panels✔ Reusable pads for long-lasting aquarium maintenance
Key Features
Non-Scratch Cleaning Surface: Designed to safely clean aquarium glass and acrylic without leaving marks.
Dual-Sided Design: One side for gentle cleaning and one side for tougher algae removal.
Durable Construction: Built for repeated use and regular tank maintenance.
Comfortable Grip: Easy to hold and maneuver while cleaning aquarium panels.
Convenient 3 Pack: Multiple pads ensure you always have a clean pad ready when needed.
Instructions for Use
Rinse the algae pad with clean water before first use.
Gently scrub algae from aquarium glass or acrylic surfaces.
Use light pressure when cleaning to avoid disturbing aquarium inhabitants.
Rinse the pad thoroughly after each use to remove debris.
Allow the pad to dry before storing.
Seachem Algae Scraper
Keep your aquarium panels crystal clear with the Seachem Algae Scraper. Designed to safely remove algae from both glass and acrylic surfaces, this versatile scraper makes routine tank cleaning quick and easy. Its ergonomic handle ensures comfortable control, while the scratch-safe blade protects your aquarium from damage.
Whether you have a nano tank, a standard home aquarium, or a large display tank, the Seachem Algae Scraper provides effective algae removal and helps maintain a clear, vibrant aquarium display.
Benefits
✔ Effectively removes algae from glass and acrylic surfaces✔ Scratch-safe material protects delicate panels✔ Ergonomic handle for comfortable, precise control✔ Helps maintain clear, streak-free viewing panels✔ Suitable for nano, small, and large aquariums
Key Features
Versatile Design: One scraper works across multiple aquarium sizes.
Scratch-Safe Blade: Cleans effectively without damaging surfaces.
Ergonomic Handle: Comfortable for extended use and precise cleaning.
Durable Construction: Built for repeated use over time.
Compatible with Other Tools: Pairs well with pads, DuoPad, and polisher for complete maintenance.
Instructions for Use
Gently scrape algae from aquarium surfaces using smooth, controlled motions.
Focus on corners, edges, and panels where algae tends to accumulate.
Rinse the scraper after each use to remove debris.
Avoid using excessive force to prevent scratching.
Store in a dry place between uses.
Tip: For the best results, combine with Seachem Algae Pad or DuoPad to maintain a polished, streak-free aquarium display.
Seachem Algae Scraper Blade Refill 3 Pack
Keep your Seachem Algae Scraper performing like new with the Blade Refill 3 Pack. These replacement blades are designed to fit all Seachem Algae Scraper sizes, making it easy to maintain effective algae removal without replacing the entire tool.
Made from durable, scratch-safe materials, the blades remove algae from both glass and acrylic surfaces efficiently while protecting your aquarium from scratches. With three blades included, you’ll always have a fresh blade ready for routine maintenance.
Benefits
✔ Restores scraping efficiency for your Seachem Algae Scraper✔ Scratch-safe material protects glass and acrylic surfaces✔ Helps maintain clear, streak-free aquarium panels✔ Convenient 3-pack ensures replacements are always available✔ Suitable for nano, small, and large scraper handles
Key Features
Universal Fit: Compatible with all Seachem Algae Scraper sizes.
Durable Construction: Built for repeated use without losing effectiveness.
Scratch-Safe Blade: Cleans effectively without damaging delicate surfaces.
Economical 3-Pack: Three replacement blades for extended use.
Easy to Install: Snap-in design makes blade replacement quick and simple.
Instructions for Use
Remove the old blade from your Seachem Algae Scraper handle.
Snap a new blade from the refill pack into the scraper.
Ensure the blade is securely in place before use.
Scrape algae from aquarium surfaces using gentle, controlled motions.
Rinse blades after each use and store in a dry place.
Tip: Regular blade replacement keeps your scraper efficient and safe, ensuring your aquarium stays spotless without scratching.
Seachem Algae Scraper Pad Refill 3 Pack
Keep your aquarium panels spotless with the Seachem Algae Scraper Pad Refill 3 Pack. Designed for use with the Seachem Algae Scraper, these replacement pads are made from durable, scratch-safe materials that efficiently remove algae from both glass and acrylic surfaces.
With three pads included, you’ll always have a fresh cleaning surface ready for routine maintenance, ensuring your aquarium stays clear and display-ready without the need to replace the entire scraper.
Benefits
✔ Restores scraping efficiency for your Seachem Algae Scraper✔ Scratch-safe material protects glass and acrylic surfaces✔ Helps maintain clear, streak-free aquarium panels✔ Convenient 3-pack ensures replacements are always available✔ Suitable for all Seachem Algae Scraper sizes
Key Features
Universal Fit: Compatible with all Seachem Algae Scraper handles.
Durable Construction: Long-lasting pads designed for repeated use.
Scratch-Safe Surface: Cleans effectively without damaging aquarium surfaces.
Convenient 3-Pack: Keeps your scraper ready for multiple maintenance sessions.
Easy to Install: Pads attach quickly to the scraper for hassle-free replacement.
Instructions for Use
Remove the old pad from your Seachem Algae Scraper handle.
Snap a new pad from the refill pack onto the scraper.
Ensure the pad is securely attached before use.
Scrape algae from aquarium surfaces using smooth, controlled motions.
Rinse pads after each use and allow to dry before storing.
Tip: Replacing pads regularly keeps your scraper efficient and safe, helping maintain crystal-clear aquarium panels for a polished, display-ready tank.
Seachem Algae Scraper Replacement Cartridge 3 Pack
Ensure your Seachem Algae Scraper stays in top condition with the Replacement Cartridge 3 Pack. These high-quality cartridges are designed to snap easily into your Seachem Algae Scraper handle, restoring maximum cleaning efficiency and helping remove algae from both glass and acrylic aquarium surfaces safely.
With three cartridges included, you’ll always have replacements on hand for continuous, hassle-free maintenance.
Benefits
✔ Restores scraper performance for effective algae removal✔ Scratch-safe material protects glass and acrylic panels✔ Helps maintain clear, streak-free aquarium surfaces✔ Convenient 3-pack ensures you always have a replacement ready✔ Compatible with all Seachem Algae Scraper sizes
Key Features
Universal Fit: Works with all Seachem Algae Scraper handles (Nano, Small, Large).
Durable Construction: Long-lasting cartridges for repeated use.
Scratch-Safe Design: Removes algae without damaging delicate surfaces.
Easy to Install: Snap-in design makes cartridge replacement quick and simple.
Cost-Effective 3-Pack: Provides multiple replacements for continued maintenance.
Instructions for Use
Remove the old cartridge from your Seachem Algae Scraper handle.
Snap a new cartridge from the pack into the scraper.
Ensure the cartridge is securely in place before use.
Scrape algae from aquarium surfaces using gentle, controlled motions.
Rinse cartridges after use and store in a dry place.
Tip: Regularly replacing cartridges keeps your scraper efficient and safe, ensuring a polished, algae-free aquarium display.
Seachem Alkaline Regulator 250g
Description
Seachem Alkaline Regulator is a freshwater aquarium buffer designed to raise and stabilize pH within the alkaline range of 7.1–7.6. It helps create the ideal environment for fish species that prefer alkaline water conditions, such as many rainbowfish and African cichlids. The formula contains phosphate buffers and conditioning agents that maintain stable water chemistry, helping aquarists safely adjust pH levels while supporting a healthy aquarium ecosystem.
Key Features
Raises and stabilizes pH in the alkaline range (7.1–7.6)
Supports fish species that thrive in alkaline water conditions
Contains phosphate buffers for stable pH control
Helps create a balanced freshwater aquarium environment
Can be used with Neutral Regulator to target a specific pH
Safe for freshwater fish adapted to alkaline water
Benefits
Creates optimal water conditions for alkaline-loving fish
Helps maintain stable pH levels to reduce fish stress
Improves overall water chemistry stability
Provides precise pH control when used with other regulators
Supports healthier and more stable freshwater aquariums
Usage
Use 1 level teaspoon (about 5 g) for every 40–80 L of aquarium water
Dose daily until the desired pH level is reached
Once the target pH is achieved, use monthly or during water changes to maintain stability
Dissolve in replacement water before adding to the aquarium when possible
Monitor pH regularly to ensure stable water parameters
Seachem Alkanity Buffer - Ph and alkalinity stabilizer
Seachem Alkaline Buffer is a non‑phosphate buffering powder designed to raise and stabilise pH and increase alkalinity (KH) in freshwater aquariums. It’s especially useful if your water is too soft or acidic and you want a more stable, slightly alkaline environment.
What It Does
Raises pH: Helps increase the water’s pH up to about 7.2–8.5 when used on its own.
Boosts alkalinity (KH): Higher KH helps the water resist sudden pH swings — more stable water is healthier for fish and plants.
Non‑phosphate: Unlike some other buffers, it doesn’t add phosphates that can contribute to algae growth.
How It’s Used
Start with small doses — typically about 1 level teaspoon per ~80 L of aquarium water daily until you approach your desired pH and KH.
It can be used on its own to raise pH, or combined with an acid buffer (like Seachem Acid Buffer) to target a specific pH range more precisely (e.g., for planted tanks).
Where It’s Most Useful
Freshwater planted tanks with very soft or acidic tap water
Water change top‑off water to help keep pH stable
Tanks where stable pH is more important than chasing a precise number
Tips
Always test pH and KH before and after adding it — too much buffer at once can shift pH rapidly, which can stress livestock.
Slowly adjust over days for best results rather than doing big jumps.
In summary, Seachem Alkaline Buffer helps your aquarium water resist pH swings by increasing alkalinity and gently raising pH — great for creating a stable freshwater environment.
Seachem AmGuard is a high-strength ammonia detoxifier formulated for aquariums. It quickly binds and neutralizes toxic free ammonia, helping protect your fish and other aquatic life when ammonia levels spike.
Key Benefits
Rapid Ammonia Detoxification: Works within minutes to make ammonia non-toxic.
Long-Lasting: Effects can last for up to 72 hours, giving you time to address the root cause.
Safe for Freshwater & Saltwater: Can be used in both types of aquariums.
Doesn’t Affect pH: Does not alter pH, GH, or KH levels in the water.
Also Removes Chlorine & Chloramine: Helps with tap water conditioning as well.
How to Use:
Beginner: 1 capful (≈5 mL) per 200 L (50 US gal) daily or as needed.
Advanced: Adjust dose based on ammonia monitoring:
“Alert” reading → 1 cap per 400 L
“Alarm” → 1 cap per 200 L
“Toxic” → 1 cap per 80 L
For precise dosing, you can also calculate based on measured ammonia levels using recommended formulas.
It detoxifies ammonia, it doesn’t remove it completely ,beneficial bacteria can still process the bound ammonia during the cycle.
Use it as a temporary emergency measure while addressing causes of high ammonia.
If ammonia is ongoing, combine with biological support products and regular water changes.
Seachem Ammonia Alert
The seachem ammonia alert is a continuous, colour-changing sensor that monitors free ammonia in your aquarium 24/7. It displays changes in real time, helping you react early and protect your fish from ammonia stress. No test strips, no liquids, no waiting.
What it does
Detects free ammonia, the toxic form that harms fish
Displays safe, alert, and danger levels using clear colour changes
Works in both freshwater and marine aquariums
Lasts up to one year with normal use
Tracks water quality instantly without interfering with the tank
Why it’s useful
Gives early warning before ammonia becomes dangerous
Helps prevent stress, illness, and fish loss
Perfect for new tanks, cycling tanks, and heavily stocked tanks
Ideal for beginners and convenient for experienced keepers
Reusable and more economical than frequent test kits
How to use
Rinse the sensor with aquarium water
Place it inside the tank where it is easy to view
Compare the colour to the printed scale any time
Replace when the sensor no longer responds clearly (usually after a year)
Ideal for
Freshwater and marine aquariums
New tank setups
Betta tanks and nano tanks
Quarantine and hospital tanks
Heavily stocked community aquariums
Simple, constant monitoring
The seachem ammonia alert gives you peace of mind by showing what your test kits might miss between water changes. A smart, must-have tool for any aquarium.