7
60 cm
40 cm
30 cm
20 cm
50 cm
± 4000 g
± 1000 g
± 350 g
± 125 g
±60 g
± 2000 g
x ………
x ………
x ………
x ………
x ………
x ………
= ……… g
= ……… g
= ……… g
= ……… g
= ……… g
= ……… g
15 cm
……… g x 2%=……… g
+
Total weight of all fish in the pond x 2% = amount of fish food per day
Fish size Approx weight Number of fish Total weight
Guidelines for the amount (weight) of sh food per day
Youcanusethetablebelowtocalculatehowmuchfoodyourshneedperday.Forthis,youmust
rstcalculatethetotalweightofyourshinthepond.Theeasiestwaytodothis,isbyconverting
thelengthoftheshtotheweight.Completethetablebelowandcalculatethetotalweightofall
yoursh.
Howmuchfood(inpercentageofbodyweight)ashrequiresdependsonanumberoffactors,
suchaswatertemperature,ltercapacityandwaterquality(NH
3
/NH
4
and NO
2
).
• Atwatertemperaturebetween15-18°C:feedingperdayshouldbeabout1%ofthetotalweightofthesh.
• Atwatertemperaturebetween18-21°C:feedingperdayshouldbeabout1,5%ofthetotalweightofthesh.
• Atwatertemperaturebetween21-23°C:feedingperdayshouldbeabout2%ofthetotalweightofthesh.
• Atwatertemperatureabove23°C:feedingperdayshouldbeabout3%ofthetotalweightofthesh.
Theltermustbeabletoconvertallwastetomaintainabiologicalbalanceandahealthywater
quality. Regular testing of Ammonia and Nitrite levels is necessary during the season. If these
levels increase you will need to feed less.
Thetableisbasedonawatertemperaturebetween21-23°C,inthatcasetheamountofshfood
perdayis2%ofthetotalweightofallshinthepond.