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Black algae shows itself as small black spots on the pools floor walls and fittings untreated they grow.
Green Algae often starts as a greenish tinge on the walls or other surfaces of the pool and spreads into the water making it turn green if left untreated.
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∙ 15y ago
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Why is your pool green with no sign of algae?
Trees above reflecting the pool.
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This is a good problem to have. Most algae eaters enjoy munching on green algae. It forms a green powder like look on the glass or plants of an aquarium in high quantities. If your aquarium does not have any signs of algae you have some options:Feed them Algae WafersThis is found at a local fish store. They can be added to the water without fear of algae spreading. Some fish enjoy eating them and some seem to not like them.Feed them Zucchini, not CucumbersIf your fish don't eat algae wafers they might not be hungry due to feeding on something you don't see them eat. If you believe them to be picky you can entice them to eat and grow faster by blanching Zucchini and cut it into small sizes then add it to the tank. Rubber band it to something that sinks or poke it through with a BBQ skewer and stick it in the substrate. Don't leave it in the tank for more than 24 hours. Fish will not eat the skin.Feeding ScheduleAlgae eaters can survive on as little as 2 - 3 times a week feeding schedule. I feed my algae eaters once a week because there is plenty of micro algae that is unseen for them to much on. It depends on the species.Blue Green AlgaeFish do not eat blue green algae. Almost nothing does. It looks like a blue green slime coating on rocks and plants and is a sign of bad water quality. It is actually a bacteria that uses encapsulated photosynthesizing algae to endure in harsh environments. Caused mainly by too much phosphates and not enough nitrates. Lighting may be a factor as well.
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