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Tap water rarely provides the water conditions necessary to maintain an optimal aquarium. Some tap water supplies have very low KH (below 3 odKH) which can contribute to wide pH swings in the aquarium. Also, when water evaporates, it leaves behind hardness ions. Topping off with tap water simply adds more minerals to the aquarium, resulting in a steady increase in GH. It is therefore necessary to test the GH and KH to monitor water quality and prevent stressful conditions
The general hardness (GH) and carbonate hardness (KH) of aquarium water should match their natural habitat. The API GH &; KH Test Kit helps you duplicate the natural habitat of your fish to prevent stress, keeping them healthy!
The kit includes 2 bottles of liquid reagent, 2 glass test tubes with snap-tight caps, and step-by-step instructions. We recommend that you take a few minutes each week to monitor your aquarium conditions and create a better underwater world for your fish. Testing your aquarium water has never been so easy or accurate!
5 Star (22)
4 Star (3)
3 Star (1)
2 Star (1)
1 Star (1)
Average Star Rating: 4.6 out of 5
(28 customer reviews)
28 reviews for API GH KH Hardness Test Kit
Rated 5 out of 5
Pokie from Basel, Switzerland
I bought this online because my local shop didnt have it at such low price and it was delivered quite quickly
Rated 5 out of 5
Cheesy Nible from Fresno, United States
Well designed and built, received within 2 weeks
Rated 5 out of 5
Blade Ben from Cordoba, Spain
I was shocked when I received it. Everything I needed.
Rated 5 out of 5
Obvious Dump from Huntsville, United States
I started using this product a bit sceptical but it worked out well
Rated 5 out of 5
Charming Angel from Bloemfontein, South Africa
Didnt expect quick delivery but I was wrong. Received in less than 5 days.
United States of America
Pokie from Basel, Switzerland
I bought this online because my local shop didnt have it at such low price and it was delivered quite quickly
Cheesy Nible from Fresno, United States
Well designed and built, received within 2 weeks
Blade Ben from Cordoba, Spain
I was shocked when I received it. Everything I needed.
Obvious Dump from Huntsville, United States
I started using this product a bit sceptical but it worked out well
Charming Angel from Bloemfontein, South Africa
Didnt expect quick delivery but I was wrong. Received in less than 5 days.