Thinking About Going Low Tech - Aquarium Forum
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post #1 of 7 (permalink) Old 02-21-2016, 01:29 PM Thread Starter
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Smile Thinking About Going Low Tech

After long bouts with multiple forms of algae in my planted 125 gallon tank I am considering going to a smaller low-tech planted tank and making the 125 a Cichlid tank. The only issue I have is that I only own bright LEDs for this size tank. Is it possible to have a healthy nearly algae free planted tank with no CO2 and bright lights if I use Seachem Excel - liquid carbon? Thanks to any responding members.
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post #2 of 7 (permalink) Old 02-21-2016, 09:45 PM
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Re: Thinking About Going Low Tech

Youre going to have to limit the amount of time that the lights are on by quite a bit. without plants to soak up nutrients the algae will go wild more than likely

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post #3 of 7 (permalink) Old 02-22-2016, 11:23 PM
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Re: Thinking About Going Low Tech

People grew tons of plants before LEDs and ferts, so yes. You just have to put things on timers so you keep light to a reasonable amount.
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post #4 of 7 (permalink) Old 02-26-2016, 03:30 PM
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Re: Thinking About Going Low Tech

greatly simplified, algae is a result of too much light. It will not be a good idea to put your current lighting on a smaller tank. You'll have even worse problems.

Reduce your light. You can reduce the time they are on, or raise them higher over the tank.
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post #5 of 7 (permalink) Old 01-11-2017, 12:04 PM
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Re: Thinking About Going Low Tech

Bulbs are cheap. Get 6500K and forget about it. I also had one very bright white ATI Lamp (20K) along with a few 6500's and it looked great for a week - its not worth it. Your eyes will get used to the change especially when the plants start getting big!

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post #6 of 7 (permalink) Old 01-11-2017, 11:44 PM
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Re: Thinking About Going Low Tech

If you have a sump, you can always make an algae scrubber in it, and remove the algae from there easier than the full tank. Also might help to add in a UV filter on the return from the sump, so the algae is dead before it gets back to the tank proper.

Currently setup (down to 20!):
8x 10g grow out tanks + 1 microcrab tank
1x 20g female crayfish tank
1x 20g Endler tank
2x 20g long crayfish breeders
1x 29g breeder for Mosquito Fish
1x 29g blue crayfish growout tank
1x 45g tall Super Reds
1x 55g Wife's Shrimp tank
1x 60g Platys
1x 75g Super Reds
1x 75g + 20g long sump Cats, Pickerel, Bait, and Punkin

Waiting for room:
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12x 5g
15x 10g
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post #7 of 7 (permalink) Old 01-13-2017, 01:27 AM
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Re: Thinking About Going Low Tech

It's complicated.
Higher plants are stronger than algae when they have all the necessary nutrients. Then they consume everything and nothing remains for the algae.
But if a nutrient is missing or is too little, the algae are stronger.
Check the completeness of the nutrients. Also check that phosphate or nitrate is not too high.
The most important nutrient is CO2. If you do not want to take any pressure equipment, give some bottles of Sodastream every morning.
At the beginning it is good to have some Amano shrimp. They destroy the remnants of algae.

A lot of things I do not know. Learning has no end
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