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Koi Pond System Diagnostics – Qualification Form

his form collects technical information required for koi pond system diagnostics.
The information will be reviewed to determine whether diagnostics can be performed and which service level applies.

System overview

Are there plants in the pond?

Are there plants in the pond?
A
B
C

Does debris (leaves, needles, dirt) regularly enter the pond?

Does debris (leaves, needles, dirt) regularly enter the pond?
A
B
C

Does sediment accumulate on the pond bottom?

Does sediment accumulate on the pond bottom?
A
B
C

Fish stock

Number of koi:

> 20cm

20-40cm

40-60cm

60cm and over

Other fish species (if any):

Do fish frequently show health problems?

Do fish frequently show health problems?
A
B

If yes, describe symptoms or history:

Have medications or chemicals been used in the system?

Have medications or chemicals been used in the system?
A
B

Is there a mechanical prefilter before biological filtration?

Is there a mechanical prefilter before biological filtration?
A
B

Prefilter type:

Prefilter type:
A
B
C
D
E

Prefilter size / capacity (if known):

How often is the prefilter cleaned?

How often is the prefilter cleaned?
A
B
C
D

Type of biological filtration:

Type of biological filtration:
A
B
C
D
E

Biological media volume (liters, if known):

Is the biological media actively aerated?

Is the biological media actively aerated?
A
B
C

Pump configuratio

Pump configuratio
A
B
C
D

Pump flow rate (l/h, real):

How often is the pump (including impeller) cleaned?

How often is the pump (including impeller) cleaned?
A
B
C

UV lamp power (W):

Flow rate through UV (l/h):

Does the UV operate continuously during the season?

Does the UV operate continuously during the season?
A
B

When was the UV bulb last replaced?

When was the UV bulb last replaced?
A
B
C
D

Aeration pump output (l/min or l/h):

Where is air supplied?

Where is air supplied?
A
B
C
D

Do fish gasp at the surface during hot weather?

Do fish gasp at the surface during hot weather?
A
B

Feed brand and type:

Feeding frequency per day:

Feeding frequency per day:
A
B
C

Approximate feed usage per month (kg):

pH:

KH (dKH):

NO₂ (mg/l):

NO₃ (mg/l):

Water temperature (°C):

I do not know current water parameters

Please upload photos or videos of:

- Entire pond
- Filtration system (all chambers)
- UV unit
- Pumps
- Fish behavior

Confirmation

Confirmation

Contact details. Name

Contact details. Email address

Country / location of the pond