Aquasonic Carbonate Hardness Test Kit on a white background
Aquasonic Carbonate Hardness (KH) Test Kit, view 2
Aquasonic Carbonate Hardness (KH) Test Kit, view 3

Aquasonic Carbonate Hardness

KH Test Kit4.8(27)reviews
$30.95incl. GST
Only 2 left
$100.00 away from free WA delivery Free delivery over $100 in WA ($150 elsewhere in Australia).
Free pickup in KenwickOpen Tue to Sat, 12pm to 6pm

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About this product

Aquasonic KH Test Kit measures carbonate hardness (KH), helping you understand buffer capacity and pH stability.

  • Simple drop test with colour change endpoint
  • Helpful for planted tanks, shrimp tanks and community aquariums
  • Supports stable, predictable water chemistry

Use: Regularly check KH when adjusting CO2, changing substrates or using remineralisers.

Delivery and returns

Free delivery over $100 in WA and $150 elsewhere in Australia. Free pickup from our Kenwick store, Tue to Sat, 12pm to 6pm.

Returns policy

  • 5 stars: 22 (81%)
  • 4 stars: 4 (15%)
  • 3 stars: 1 (4%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
A
Anonymous

Great product. Awesome service. Highly recommended

A
Archie Collins
Recommend

Accurate, clear and good value.

S
Shane Bell
Easy to use

Straightforward instructions and clear results. Recommend for beginners and experienced keepers alike.

M
Marcus Kelly
Works well

Clear results, easy to use.

S
Sandra Roberts
Highly recommend

Helped me track down a parameter issue I couldn't figure out. Clear, accurate and reliable.

E
Ella Lee
Accurate

Matches my other test results perfectly.

K
Karen Carter
Good product

Reliable readings and clear instructions. Will repurchase when it runs out.

G
Grace Wood
Reliable kit

Does the job well. Easy to follow instructions.

T
Tegan Foster
Handy and accurate

Quick to use and gives me confidence in my water quality. Great addition to my testing routine.

A
Amelia White
Works perfectly

Clear colour changes and consistent results. Exactly what I needed.

O
Olivia Watson
Useful kit

Easy steps and the colours are easy to match. Helps me stay on top of my tank.

P
Poppy Hayes
Great kit

Simple, accurate and long lasting. A must have for any serious hobbyist.

A
Ava Thompson
Reliable

Consistent and accurate every time I use it.

A
Aria Cooper
Easy to read

The colour chart is clear and the reagents give a definite result. No more guessing with my water parameters.

L
Liam Foster
Good value

Heaps of tests in the bottle and accurate results. Much cheaper per test than strips.

L
Liam Ross
Accurate readings

Trustworthy results that I can rely on for my sensitive stock. Good value too.

M
Megan Hughes
Solid kit

Does what it should without fuss. Plenty of tests included.

H
Holly White
Does the job

Accurate enough for my needs and easy to use.

J
Jess Wood
Good buy

Accurate and the bottle lasts ages. Happy with it.

R
Riley Edwards
Great value test kit

Lots of tests, accurate and easy. Couldn't ask for more.

E
Evie Roberts
Very accurate

Cross checked against my LFS results and it matched perfectly. Confident relying on this now.

Z
Zoe Cooper
Very handy

Keeps my mind at ease knowing my parameters. Easy and reliable.

B
Blake Lee
Clear results

No ambiguity in the colours, which I appreciate. Makes testing quick and stress free.

D
Daniel Patel
Worth it

Accurate, easy and lots of tests. Great value overall.

S
Samuel Gray
Great for monitoring

I test weekly and this has been spot on. Helps me catch issues before they become problems.

M
Mason White
Accurate and easy

Clear colour changes and simple to read. Helps me keep my parameters dialled in. Plenty of tests in the kit too.

P
Poppy Lee
Essential for fishkeeping

Knowing my exact levels has made such a difference to my tank stability. Easy steps and consistent readings every time.