Shipping: Shipped from distribution center in Columbus, United States of America.
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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
almidi from Wellington, New Zealand
I bought them a few weeks ago. At first I just loved it but now its not so good.
Rated 5 out of 5
GamingChanging from Canberra, Australia
Its a great asset to have and very well made
Rated 5 out of 5
Deal Anneal from Volgograd, Russia
I am quiet satisfied
Rated 5 out of 5
Silvermoon from Krasnoyarsk, Russia
Great bargain from group buying
Rated 5 out of 5
Twitch from Honolulu, United States
This is my second only because I was satisfied with the first one, for the price, cant beat it
United States of America
almidi from Wellington, New Zealand
I bought them a few weeks ago. At first I just loved it but now its not so good.
GamingChanging from Canberra, Australia
Its a great asset to have and very well made
Deal Anneal from Volgograd, Russia
I am quiet satisfied
Silvermoon from Krasnoyarsk, Russia
Great bargain from group buying
Twitch from Honolulu, United States
This is my second only because I was satisfied with the first one, for the price, cant beat it