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Sera

Sera Aqua-Test Set

$34.00
$33.75
Know your water Only knowing your water parameters allows reacting in time and counteract irregularities so animals and plants are being protected. The sera aqua-test set allows monitoring the parameters important for fresh and marine water – pH...
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Sera

Sera Aquatan 100mL

$19.99
$6.99
Toxic substances such as chlorine and heavy metals can get into the aquarium water with every water change. Even our well monitored tap water often contains such substances in concentrations critical for fish. sera aquatan immediately removes the...
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Sera

Sera Aquatan 2500mL

$65.00
Toxic substances such as chlorine and heavy metals can get into the aquarium water with every water change. Even our well monitored tap water often contains such substances in concentrations critical for fish. sera aquatan immediately removes the...
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Sera

Sera Aquatan 250mL

$8.50
Toxic substances such as chlorine and heavy metals can get into the aquarium water with every water change. Even our well monitored tap water often contains such substances in concentrations critical for fish. sera aquatan immediately removes the...
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Sera

Sera Aquatan 500mL

$18.99
Toxic substances such as chlorine and heavy metals can get into the aquarium water with every water change. Even our well monitored tap water often contains such substances in concentrations critical for fish. sera aquatan immediately removes the...
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Sera

Sera Aquatan 50mL

$2.99
Toxic substances such as chlorine and heavy metals can get into the aquarium water with every water change. Even our well monitored tap water often contains such substances in concentrations critical for fish. sera aquatan immediately removes the...
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Sera Calcium-Test (Ca)

$13.50
$13.25
This test monitors the calcium level easily and precisely in steps of 20 mg/l (ppm). For approx. 7.500 mg (ppm) calcium. Add sera marin COMPONENT 1 Ca in case of too low Ca levels. A partial water change will help in case of too high levels...
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Sera

Sera Copper-Test (Cu)

$36.00
$16.99
Copper (Cu) is very toxic especially for invertebrates such as shrimps and crustaceans, but fish also react very sensitively to elevated copper levels. There are many possible causes for copper enrichment, including medical or algae combating...
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Sera

Sera gH-Test

$19.99
$11.50
Makes it easy to monitor the total hardness. For approx. 420°dGH. In case of too low GH values we recommend sera mineral salt. High total hardness levels can be lowered by mixing in R/O water. For creating soft water we recommend adding sera...
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Sera

Sera Iron-Test (Fe)

$39.99
$26.10
Iron (Fe) is an important component of plant nutrition. In case the plants have fading leaves this may be due to lacking iron. The sera Fe-Test provides quick information about possible deficiencies. Directed fertilization with sera florena or sera...
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Sera

Sera kH-Test

$13.00
$11.50
Makes it easy to monitor the carbonate hardness in fresh and salt water. For approx. 390°dKH. In case of too low KH values we recommend sera KH/pH-plus (in fresh and marine water) or sera pond bio balance (in ponds), in case of too high values...
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Sera Marin Hydrometer

$15.00
$14.75
For the uncomplicated monitoring of marine water density. The salinity (salt contents) can be deduced from the measured density. Since the salinity of marine water in an aquarium must be kept constant, the aquarium water should regularly be checked...
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Sera

Sera Nitrate-Test (NO3)

$17.75
$16.50
Nitrate (NO3) is an indicator for severe organic pollution. The source of this organic pollution should be eliminated, a partial water change provides immediate help. In the long run, filtering through sera siporax Professional helps avoiding...
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Sera

Sera Nitrite-Test (NO2)

$17.75
$14.99
Nitrite (NO2) is among the most toxic substances for fish in aquariums. It can enrich in the water in case of insufficient biological filtration. The sera NO2-Test allows monitoring the nitrite level in fresh and marine water easily and reliably. We...
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Sera

Sera Oxygen-Test (O2)

$20.99
Quick breathing at the water surface is an unmistakable sign for an oxygen deficiency. Unfortunately, it may then already be too late for acting appropriately. The sera O2-Test monitors the actual oxygen level in the water within minutes and allows...
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Sera

Sera pH-Test

$12.00
$11.50
Makes it easy to monitor the pH value in fresh and marine water and ponds. For approx. 100 measurements. In case of too low pH values we recommend sera KH/pH-plus (in fresh and marine water aquariums) or sera pond bio balance (in ponds), in case of...
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Sera

Sera Phosphate-Test (PO4)

$18.99
$18.75
Both fish waste and feeding are possible causes for phosphate introduction into the water. A part is taken up as a nutrient by plants, an excess, however, provides nutrition for unwanted algae. The sera PO4-Test quickly and easily provides an...
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Sera

Sera Silicate-Test (SiO3)

$29.99
$26.10
Silicate (SiO3) supports the growth of diatoms in marine and freshwater aquariums. The sera silicate-Test allows monitoring the silicate level reliably and easily. Silicate levels above 1 mg/l (ppm) should be bound with sera marin silicate clear...
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