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Old 09-12-2014, 04:09 AM   #1381
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Originally Posted by philipraposo1982 View Post
Is that plant In The foreground hygro kompacta?
If so do you have pinholes In it? I can't seem to get mine to not get pinholes no matter how much potassium I give.

Yeah it is. Hygrophila corymbosa stricta. The top half of the plants have 0 pinholes, but the lower leaves do have pinholes here and there on my plants. I have never dosed K, maybe you are giving them too much light? My plants get 8 hours usually.
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Old 09-12-2014, 12:14 PM   #1382
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My plants get 8 hours too. And you clearly have potassium deficiencies.

The top leaves will only get holes I. Really bad cases. Potassium is a mobile nutrient which means the new growth can pull it from the old one. Which is why all older leaves show pinholes and new ones don't. Eventually the old leave is weak enough that it just falls off. Try dosing potassium once a week at about 10-15ppm, I bet your pinhole problem stops.
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Old 09-13-2014, 12:12 AM   #1383
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After some time with plants dying, algae problems and what not, it's working fine for about half an year now

Lots of green stuff, lots of fish (about 20), every other month filter cleaning.
No co2, no fertilizer (for months now).
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