Water Hardeners - Duradrakon

Duradrakon - Hardening (CH + TH), for example, of RO- or DM-water in the presence of a CO₂ system, resp. in the presence of an external water preparation with very low addition of total salts.

Duradrakon TH-Plus - for the specific increase of the total hardness in all tank types.
Especially recommended for shrimp, crayfish and Malawi tanks.

Duradrakon T TH-Plus - for the specific increase of the total hardness in Tanganyika tanks.
Contains the necessary, particularly high Magnesium ratio!

Duradrakon CH-Plus - for the specific increase of the carbonate hardness in all tank types.
Especially recommended for shrimp, crayfish and rift valley tanks.

Duradrakon - Hardening (CH + TH), for example, of RO- or DM-water in the presence of a CO₂ system, resp. in the presence of an external water preparation with very low addition of total salts. Duradrakon...

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Water Hardeners - Duradrakon

Duradrakon - Hardening (CH + TH), for example, of RO- or DM-water in the presence of a CO₂ system, resp. in the presence of an external water preparation with very low addition of total salts.

Duradrakon TH-Plus - for the specific increase of the total hardness in all tank types.
Especially recommended for shrimp, crayfish and Malawi tanks.

Duradrakon T TH-Plus - for the specific increase of the total hardness in Tanganyika tanks.
Contains the necessary, particularly high Magnesium ratio!

Duradrakon CH-Plus - for the specific increase of the carbonate hardness in all tank types.
Especially recommended for shrimp, crayfish and rift valley tanks.

Top seller
Duradrakon 100 g Doypack Duradrakon Hardener Salt
0.1 kg (€82.00 / kg)
From €8.20 *
Duradrakon TH-Plus 100 g Tin Duradrakon TH-Plus Hardener Salt Mixture
0.1 kg (€119.50 / kg)
From €11.95 *
Duradrakon T TH Plus 100 g Duradrakon T TH-Plus
0.1 kg (€119.50 / kg)
From €11.95 *
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Sealutions Mineral Salt 1 kg Tin Sealutions Mineral Salt
1 kg
From €19.95 *
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Sealutions Mineral Salt 1 kg Tin
Sealutions Mineral Salt
Cooking salt free sea salt. For Ca and CH dosage according to the Balling method. Contains trace elements such as sea salt. Also suitable for fresh water.
1 kg
From €19.95 *
Duradrakon T TH Plus 100 g
Duradrakon T TH-Plus
Hardener salt mixture to increase the total hardness for Tanganyika lake-cichlids
0.1 kg (€119.50 / kg)
From €11.95 *
Duradrakon CH Plus 100 g
Duradrakon CH-Plus to increase the carbonate hardness
Hardener salt mixture to increase the carbonate hardness
0.1 kg (€59.50 / kg)
From €5.95 *
Duradrakon 100 g Doypack
Duradrakon Hardener Salt
Hardener salt combination for reverse osmosis water. Pure RO water is not suitable for direct use in an aquarium, except in a few special cases.
0.1 kg (€82.00 / kg)
From €8.20 *
Duradrakon TH-Plus 100 g Tin
Duradrakon TH-Plus Hardener Salt Mixture
Hardener salt mixture to increase the total hardness. Especially recommended for shrimp, crayfish and Malawi tanks. Dissolves easily and without clouding.
0.1 kg (€119.50 / kg)
From €11.95 *
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