JBL TV #11: What is the general hardness? Is the general hardness relevant in the aquarium?

What is the general hardness and how relevant is it in our aquarium? What’s the difference between it and the carbonate hardness? Biologist Heiko Blessin explains the relevance of the general hardness in Colombia’s natural landscape

You can find further information on water hardness and composition in the Themeworld Aquarium: Su değerleri

You’ll find everything you need to know about GH and KH testing in the JBL Themeworld Aquarium: Su testleri

If you have any questions or comments about this topic or would like us to deal with a specific topic, please use the comment function in this post. We are looking forward to your input!

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JBL TV #1: Why do plants need a CO2 system in the aquarium?

In this video, biologist Heiko Blessin explains why plants need CO2 at all, why aquarium plants have different requirements and how to connect a JBL CO2 system. CO2 fertilisation for aquariums has never been explained more simply or more understandably!

Daha fazla oku

JBL TV #2: Why do algae grow in the aquarium and how can you stop it?

When algae take over the aquarium, there are always one or two possible causes. In this video, biologist Heiko Blessin explains very clearly and comprehensibly why algae grow at all and what we aquarium enthusiasts can do about it. The topic of algae in the aquarium has never been explained in a simpler and more understandable way!

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JBL TV #3: How do I get my plants to grow well in the aquarium?

If your plants aren’t growing perfectly in the aquarium, this video will help you. Biologist Heiko Blessin explains clearly and comprehensibly what is necessary for perfect plant growth in the aquarium.

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JBL TV #4: Why do we need a water conditioner for the aquarium?

Have you ever wondered if you really need a water conditioner for your aquarium? Which substances in tap water can cause trouble for our aquarium inhabitants and how can they be neutralised?

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JBL TV #5: What is a pH value and why is it important for the aquarium?

Have you ever asked yourself exactly what makes up the logarithm of a pH value? Why does the pH value in our aquarium matter and how can we influence it?

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JBL TV #6: Why do we need so many food types in the aquarium?

There’s so much to know. What kind of food should we choose? Which food size is right? How much should we feed?

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JBL TV #7: Why do fish die in high nitrite levels and what can be done about it?

How does the nitrogen cycle in the aquarium work? Why do nitrite values get too high and how can the value be reduced? Why adding salt is senseless.

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JBL TV #8: Do the plants in your aquarium grow exactly as you want them to?

What makes for ideal plant growth? All the factors for good plant growth: light, LED, tubes, fertilisation, fertilisation quantity, fertilisation monitoring, influence of water conditioners, chelated iron.

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JBL TV #9: Why do aquarium fish fall sick and how can we treat them?

Why do aquarium fish fall sick? What factors influence fish health? What influence does fish food have on the susceptibility to disease? How do you protect the fish’s mucous membrane?

Daha fazla oku

JBL TV #10: How to start an aquarium

Why do you need a bacteria starter? What happens if you run an aquarium without a bacteria starter?

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Heiko Blessin

Dipl.-Biologe

Tauchen, Fotografie, Aquaristik, Haie, Motorrad

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