Question by Syll: Idea for an algae “farm” for my Mollies. Could use some info.?
In my 55 gallon planted tetra tank, I’ve had a pretty big outbreak of algae. Not sure what kind it is, but it’s green, photosynthetic, long, and when it gets thick it looks a lot like moss you’d find in a lake. It’s very soft to the touch.
I think I’ve figured out why and am going to be working on that, but an idea came to me. I took a soft brush I use for cleaning out tubes in the aquarium, wound a bunch around it, and plopped it in my Molly tank. They loved it! They could not eat that stuff fast enough!
Since Mollies are primarily vegetarian in the wild, I figure it would be a good supplement for their diet. So, I’m thinking of setting up a tank for the sole purpose of growing this stuff as I intend to do what I can to get rid of it in the tetra tank. I wish I could just put some mollies in there to eat the stuff but the water is soft and unsalted.
Anyway, on to the question at hand. What could I do to promote the growth of this stuff? I plan on using an aquarium with no fish in it as I don’t want to harm any in my experimentation. Also planning on bright light since it’s photosynthetic. The stuff seems pretty prolific, but I want to get as much as I can as fast as I can for the Mollies.
What color spectrum is the best for this kind of algae?
What water hardness (both GH and KH) are best for this kind of algae?
What pH and temp is best for this king of algae?
Forgot to mention, no windows provide consistent sunlight through the day, so natural lighting is out. Stupid north facing windows!
Best answer:
Answer by Ianab
Dont give up on the natural light, even if your window doesn’t get direct sunlight it will still be plenty to grow algae.
As an experiment, get some glass jars, fill them with old tank water and some random aquarium ornament sized rocks. Leave them on the window sill for a couple of weeks, I bet they will be covered with algae. Now just swap them with some rocks from the Mollie tank. repeat as needed. If you have several jars and a lot of spare rocks you can keep a steady supply of algae.
If you are going to grow it in a tank, then you need light and nutrients. A bit off ammonia and high nitrate levels are going to help, hence using the old tank water. Dropping in some liquid plant fertiliser will probably help, You dont have to worry about the fish, so consider how fertiliser run-off from farms causes algae bloom in rivers and lakes, That is what you are trying to create.
As long as there are no fish in the tank there is not much that can go wrong.
Ian
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