promoting growth of purple algea?

K

kermit_criminal

AC Members
Jan 1, 2005
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how would you go about promoting the growth of purple algae over others? i baught my rocks from 3 different sources, and so they all have different colors of algae on them, as well as the rocks being different in color themselves. i want to keep the color of my live rocks the same universally. does anyone know what i can do? what type of lighting?


also.. is it true the live rocks in my tank, although different colors ranging from white to grey/brown.. will eventually blend closer to the same color eventually?
 
More importantly is to keep the calcium levels up around 450-500 as well as the magnesium at about 1500. Strontium is also a good additive to help promote coraline algae's.
 
Reefscape said:
More importantly is to keep the calcium levels up around 450-500 as well as the magnesium at about 1500. Strontium is also a good additive to help promote coraline algae's.
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thank you
 
A bit confused--are you wanting the same color coralline on all the rocks? Because there are different types of coralline, with varying colors. To make it all the same, you'd have to kill some of it and let the other take over. I prefer the variety of colors personally--they also have different shapes, some with ridges, others with frills along the edge--part of what makes it cool.
 
What I did was to get several different colored rock. Then I went to my local wally world bought a new tooth brush and brushed the rock over places that I wanted it to colonise. That didn't quite work out as I expected due to some water flow issues . I do however think that it helped spread it all over my tank as there are now mixed colonies pretty much every where. Also you can add an urchin and it will do the same. They eat coraline and some of the flakes will help establish new colonies but, you'll need to remove it after a bit if you want thick growth. Also if you just have a few rocks with coraline I wouldn't try the urchin thing.
fwiw
Chris
 
OrionGirl said:
A bit confused--are you wanting the same color coralline on all the rocks? Because there are different types of coralline, with varying colors. To make it all the same, you'd have to kill some of it and let the other take over. I prefer the variety of colors personally--they also have different shapes, some with ridges, others with frills along the edge--part of what makes it cool.
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not neccesarily corralline algae only, but how to promote the growth/spread of purple algae. red/brown algae seems to have taken over the tank and i absolutely hate how it looks, i was going for purple :( . does it need specific lighting? do blue legged hermits eat it?
 
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