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FAQ
Green algae only in the stronger lighted part of the aquarium
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100%
How can I remove spot algae growing on the aquarium glass?
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94%
How can I remove scratches in the aquarium glass?
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58%
How can I soften dry food and remove the air it contains?
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57%
Peat (sera super peat) against algae?
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50%
Which pump is suitable for the sera gravel cleaner?
Relevance:
49%
Algae problems with very low nitrate and phosphate levels
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46%
Disinfect quarantine tanks after use?
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46%
How to change the filter felt of a sera air membrane pump
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43%
Does the sera blue sky support algae growth, and is it suitable for planted aquariums?
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43%
Blue-green algae / Cyanobacteria
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41%
Black algae in a goldfish aquarium
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41%
UV protection foil for algae prevention?
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41%
What to do in case of brush algae?
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41%
What to do in case of floating algae in the aquarium?
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41%
"Moss balls" / Food amount
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38%
Cleaning pH electrodes
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34%
Sudden decrease of water quality and snail invasion
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32%
Live rock from the Mediterranean Sea: Which salinity?
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27%
Water becomes cloudy after a water change
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27%
Brown layers on plant leaves / Diatoms
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26%
Does a UVC clarifier harm useful bacteria?
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17%
Biofilm on the surface
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15%
Which food for spiny eels?
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15%
sera CO2 reactor: Removing other gases
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15%
What is the best way to attach moss to a root?
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15%
Should I combat trumpet snails in the aquarium?
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15%
Rot zones in the bottom gravel
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15%
Swollen eye and abnormal swimming position
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15%
Can fish die even several days after a nitrite intoxication?
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15%
Fish as snail removers?
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15%
How to carry out a treatment against gill flukes
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15%
Questions about breeding Colisa lalia (Dwarf Gourami)
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15%
Fish become ill / Root smells bad
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14%
What can I do against cloudiness?
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14%
Lighting time in an aquarium?
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14%
Conditioning saltwater for shrimps
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14%
Do Otocinclus (Midget Sucker Catfish) damage plants?
Relevance:
12%
Which food for mangrove crabs?
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12%
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