CO2 is a bubblin!

help^


and...... from the first post.- at night i was think of turning my airstones on to battle ph swings and whatnot. would this be ok? would there be any pro or con? i dont know if anyone know how long it takes to build the co2 amount or level in the water after i turn them off in the morning?
 
I don't turn off my CO2 at night on my 10gal, have experienced no ill effects from that. Its possible you have a leak, or its possible your ferment has run out to completion. You can try adding a little more sugar to see if it will go a little further. Also, try adding a tablespoon of orange juice or molasses as a nutrient; that might help to kick-start the yeast as well.
 
k ill try that.

with your knowledge and i hope i get a few more opinions too. but what do you think about my airstone ?.
 
I've never used the limewood airstones, probably because I figured you couldn't get enough pressure from DIY to push air through them. That might be part of the issue, more of your CO2 is going into solution because of the pressure on the bottle....but like I said, never having used one, I'm not sure how they compare to regular airstones as far as back pressure. I use a Hagen bubble ladder.
 
Recipe is good, but water shouldn't be that hot (think baby's bath water, not hot-tub party)

Yeast amount is not critical - it will multiply per Malthus model until (for bread yeast) surface of brine in bottle is pretty well covered - this is what sets your sugar>CO2 conversion rate (I'm pretty sure, haven't tested it yet).

If (and only if) you're really worried about CO2 excess overnight, put a pump & airstone on a clock timer to kick in a couple of hours after lights-out and stop a couple of hours before lights-on. Otherwise, just use your filter's output to setup a reasonable amount of surface agitation. pH changes due to CO2 addition won't hurt your fish, unless your tank has so little GH that the pH drops into the <6 range (not likely unless you're using straight RO or DI water). CO2, in excess, can hurt your fish by displacing excessive amounts of O2.

I use a ~2L in my Whisper (internal) filtered minibow 5g and have had no trouble w/ DIY CO2... my filter has no sponge, so I use an airstone set right beneath the filter's output and I count on the "waterfall" effect to keep the bubbles in the water for a while before they escape. I use a dropchecker in all of my CO2'd tanks - I pretty well consider this to be a "must".
 
Yeast multiplication is limited by dissolved oxygen in solution. when they enter an anaerobic state, they stop multiplying and fermentation begins. Thats why you want a small yeast charge - smaller yeast colony = slower, more consistent fermentation.
 
thanks everyone.
 
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