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Old 01/09/2008, 03:19 PM   #8
Genetics
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Join Date: Jun 2003
Location: Ontario, Ohio
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35ppm is a bit high. I would change out the RO membrane if you have a spare. I was thinking more in the range of 7-10ppm being mostly sodium ions.

Again if you are eliminating your phosphates and nutrient export by chaeto I would change out the bulbs over the algae as they might have passed their prime. Also, choosing the wrong bulbs can change their growth.

I've gotten the green film from time to time. I usually find its day or two after adding too much food.


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