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Algae identification request
I've been struggling with two forms of algae in my two different tanks.
I've read the faq.plant but still could not relate these two algaes to
the algae types listed there.
Could somebody help me identifying these two types of algae and let me know
the remedy ?
I've tried reducing the period of light in those two tanks to 6 hours per
day for a month with no success. I have otocinclus and siamese algae eater
(from the Albany Aquarium) in these two tanks but they seem to ignore them.
Thanks,
Hardjono
Suspect #1:
It's thin long (2 inches) fine dark green strand. It started as indivual
strand and when there are quite a few of them, they tangle into a
clump. It grows on my Riccia that is tied to rocks (the most favorite place), on edges of the Amazon sword, and on the intake strainer of the
Whisper external filter, the sponge of RUGF (when I have the powerhead
doing RUGF). When I pulled the clumps, I can feel that it
has some root structure to hold on to the surface that it's growing
on has a coarse texture. This tank is 20gal with 45 watt of light,
UGF, pH 6.5, nitrate is undetectable with Tetra kit, don't know about
phosphate, Dupla fertilization (laterite, tablet, duplaplant 24)
Suspect #2:
It's thin (a little bit thicker than #1) and it grows on fine leave
plants such as ambulia. The color is bright green. It also grows as
tangled long strands but it can be pulled easily. It just slipped off
the plant. It does not grow on gravel or wide leaf plants. The other
difference is that it has clear slimy coating.This tank is 10 gal
with 30 watt of light, sponge filter, pH 6.5, nitrate is undetectable
with Tetra kit, don't know about phosphate, Kent trace elements,
Kent Plant Supplement, DuplaRit.