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Re: Yeast Co2
1-Fill the carboy with warm water 1/2 full.
2- Add 10lbs of sugar
3- Add Yeast Energizer and mix well
4- Top up carboy with water to 3/4 full
5- Dissolve the yeast in a cup of warm water, let it sit for 1/2 hour
6- Pour yeast into carboy, DO NOT STIR.
7- Install rubber stopper
8- Insert a length of plastic airline into the hole in the rubber
stopper and silicone in place.
9- Drain the aquarium water a couple of inches below your powerheads.
10- With a red hot piece of metal melt a hole in one of your UG filter
lift tubes 2" below your powerhead the size of the OD of the plastic
11- Insert the end of the airline coming from the carboy into the hole
in the lift tube and glue in place if necessary.
12- Put the carboy behind the tank or under your stand and leave it
13- Fill your tank
I saw this on an old APD post, does anyone know if there'd be a pH hit MORE
than a regular 3 cups of sugar and 1 tsp of yeast in a 2Litre bottle? I'm
curious about doing this on a 10 gallon... Usually my pH doesn't go below
6.4 with my soda bottle, so I'm curious if it would be different with this..
That recipe is insane. Certain death for any fish in a small tank. The yeast
energizer will allow the yeast to quickly reproduce and produce a huge
amount of CO2. It is very undesirable to add yeast energizer to the
beginning of a fermentation unless you are trying to make wine. The output
will be initially very high but quickly drop off to much lower levels.
A better recipe would be 1 1/2 cups of sugar, 1/4 tsp Saccharomyces
cerevisiae wine yeast, 1 1/2 liters of water and 1 tsp. baking soda in a 2
liter bottle. Follow the directions on the yeast packet for adding the
yeast. After 10 days add another 1/4 tsp.of yeast and after 10 more days one
more. After 6 weeks change the bottle. Sometimes 1/4 tsp. of yeast is not
enough to get a fermentation going properly and you can add a little more
but don't overdo it.
Even under the best of circumstances 3 cups of sugar in a two liter bottle
will never be consumed by the yeast. There is no point in exceeding 1/4 cup
of sugar per cup of water.
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