jbozz
Aquarium Advice Apprentice
Anyone has any idea?
There are certain species of anemone which does not require chiller.
There are certain species of anemone which does not require chiller.
good lighting and excellent water quality to survive.
"BUY A REFRACTOMETER"
You have far far FAR too many fish in that tank. 55 liters is approximately 15 gallons. Not only does a tang not belong in a 15 gallon, but you should probably only keep two fish - at most - in that tank. You will never be able to keep your water parameters in a healthy range.
The article does state that keeping marine fish at a lower SG may be prefferable because the fish are less stressed which supports your theory