sera Mineral Salt, 2.5 kg
Price: €39.58
(as of Mar 21, 2026 17:36:17 UTC – Details)

From the manufacturer

Sera water test

Determine water values: pH, carbonate hardness, ammonium and nitrite are among the most important tests.

Aquarium care with system

The new Sera aquarium care system solves all the problems in freshwater aquarium with just one product per step.

For optimal, comprehensive basic care For creating and preserving species-appropriate water conditions For effective immediate relief for difficulties With improved active ingredient formula Simple and effective application Scientifically tested

Test water

Water treatment – optimise water values – remove algae – cure diseases

The basic prerequihttps://laraland.berlin/ to provide the inhabitants of the freshwater aquarium permanently optimal environmental conditions is to know the relevant water values.

If the values are outside the recommended range, it can be directly countercontrolled.

In the Sera online laboratory you can evaluate the water values of your aquarium. If something is not fine, the sera online laboratory gives you hints on how to improve the water quality.

Customer Reviews

4.6 out of 5 stars 3,031

4.7 out of 5 stars 474

4.6 out of 5 stars 430

4.7 out of 5 stars 2,212

Price

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Care for water
1. Water treatment 2. Increase KH/pH 3. Supply of minerals 4. Balance

Water conditioner for fish-friendly, mineral-rich water; immediately removes chlorine and chloramines; binds heavy metals; with minerals Stability and safety; buffers and secures the pH value; works against biogenic descaling; creates species-appropriate conditions (e.g. for African cichlids) Multi-talented minerals in a complete package, improves reproductive ability, strengthens the immune system, for flawless dandruff and a strong skeleton The first-class liquid filter medium: Biodegrades food residue, ammonium and nitrite; Provides settlement area for useful cleaning bacteria; Creates biologically active habitat

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Customer Reviews

4.6 out of 5 stars 422

4.6 out of 5 stars 734

4.3 out of 5 stars 625

4.7 out of 5 stars 2,212

4.0 out of 5 stars 1

Price

€15.19€15.19 €18.29€18.29 €5.25€5.25
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€17.69€17.69

Care for soft water
1. Water treatment 2. pH/KH lowering 3. Permanent pH < 7 4. Balance no data

Water hardener to simultaneously increase GH and KH Soft water – but safe; lowers pH and KH; adjusts carbonate hardness; regulates the pH value; for species-appropriate soft and slightly acidic water Natural black water; permanently stabilises a slightly acidic pH value; gentle reduction of water hardness; long-term release of valuable humic acids and fulvoic acids; prophylaxis against spawning fungus; algae prophylaxis through light filtering The first-class liquid filter medium: Biodegrades food residue, ammonium and nitrite; Provides settlement area for useful cleaning bacteria; Creates biologically active habitat Suitable for sera 2.5 and 5 litre canisters.

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Customer Reviews

4.6 out of 5 stars 1,297

4.2 out of 5 stars 1,273

4.4 out of 5 stars 111

4.5 out of 5 stars 349

4.7 out of 5 stars 2,212

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€11.75€11.75 €16.50€16.50 €10.99€10.99
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Optimise water values
1. Remove harmful substances 1. Remove harmful substances 2. Remove turbidity and phosphate 3. Add oxygen 4. Balance

First aid in the aquarium; immediately removes fish toxic ammonia and nitrite; binds heavy metals such as lead and copper; removes chlorine and chloramines; reduces nitrate levels and therefore algae growth Immediate aid against nitrite; removes up to 1.5mg/l nitrite per dosage in no time; prevents nitritpeak and provides immediate aid with acute stress. Binds nitrite and converts it into organic amines that are utilised by the filter bacteria Clear vision, eliminates mineral turbidity, removes the main algae nutrient phosphate, for permanently crystal clear, clean water Breathe with purifying oxygen, emergency aid for acute oxygen deficiency, stress reduction thanks to optimised oxygen supply, easy and safe to use, supports the breakdown of mud The first-class liquid filter medium: Biodegrades food residue, ammonium and nitrite; Provides settlement area for useful cleaning bacteria; Creates biologically active habitat

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Customer Reviews

4.5 out of 5 stars 555

4.5 out of 5 stars 1,998

4.6 out of 5 stars 1,732

3.7 out of 5 stars 93

4.7 out of 5 stars 543

4.7 out of 5 stars 2,212

Price

€5.49€5.49
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€33.59€33.59
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€7.49€7.49
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Heal diseases
1. Prepare water 2. Treat diseases 2. Treat diseases 2. Treat diseases 3. Remove harmful substances 4. Balance

Relieves disease and stress, with purifying oxygen, facilitates the breathing of the fish, reduces stress, supports the drug effect in external diseases, accelerates regeneration Medicines with a broad-spectrum effect against the most common ornamental fish diseases in fresh water Drug for ornamental fish against single-cell skin parahttps://laraland.berlin/s, such as the pathogens of dot disease (“Ichthyo”) Drug for ornamental fish against external bacterial infestation on skin and gills Healthy purity; removes drug residue after treatment; removes harmful substances and discolouration; phosphate-free; long-term effective immediate aid in acute poisoning; for clear, safe water The first-class liquid filter medium: Biodegrades food residue, ammonium and nitrite; Provides settlement area for useful cleaning bacteria; Creates biologically active habitat

Essential minerals for aquariums: provides calcium, magnesium, potassium and important trace elements
Prevents symptoms of defects: covers deficits in osmosis water or densely occupied aquariums
For fish, plants and invertebrates: supports vitality, growth and metabolism of all inhabitants
Excellent water-soluble: quick and easy application without residue
No harmful additives: pure mineral concentrate for safe aquarium care