Foam?

[shellena]

Whats going on here? Lots of foam coming from the airstone.

Water treatments are Interpet Filter Start and Tetra Pond AquaSafe.

H2O - 600 lires, 2100 LPH (10 four inch goldfish)
Cl2 - 0
pH - 8.0
KH - 10 degree
GH - 8 degree
NO2 - 1
NO3 - 10
NH4 - 0.1

Its just one thing after the other, what did i get myself into lol.


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Edit: Did a 50% water change and done a new test.

levels now

Cl2 - 0
pH - 7.2
KH - 6 degree
GH - 8 degree
NO2 - 1
NO3 - 10
NH4 - 0.1

Still a bit of foam from the airstone but not as bad.

i have the same thoughts! what did i get myself into?!
at least you are willing to learn! the more i learn about this pond hobby the less i know!