timwag2001
Aquarium Advice FINatic
hygrophila corymbosa. i noticed little brown pinhole spots and some that look like little brown lines. now they are getting bigger and becoming larger holes. here's a pic. please help
what's wrong with this plant?
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neilanh
Sliced Bread
Pinholes are typically an effect of a potassium deficiency. These then can grow into what you see here.
Do you dose ferts? if so, up your K. It's difficult to overdose K, so don't worry too much about that.
Do you dose ferts? if so, up your K. It's difficult to overdose K, so don't worry too much about that.
OP
OP
timwag2001
Aquarium Advice FINatic
i dose P,K and trace and iron with csm+b
what would an overdose be considered for K? how many ppm? is there a limit to make it unhealthy for fish? why is it hard ot o.d. K?
what would an overdose be considered for K? how many ppm? is there a limit to make it unhealthy for fish? why is it hard ot o.d. K?
neilanh
Sliced Bread
K just has little affect outside of plants, so overdosing to the point that it causes concern for your tank is just difficult, you'd really need to put in a ton of it to have any negative side effects.
Since you're dosing anyway, I'd up the dosage by 25-50%, just on K (nothing else) and give it a few weeks to see how it does.
Since you're dosing anyway, I'd up the dosage by 25-50%, just on K (nothing else) and give it a few weeks to see how it does.
mgamer20o0
Aquarium Advice Addict
most people shoot for 10-20 ppm. like neilanh said oding k really wont effect anything. its used as a way to test for tds more then anything.
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