CO2 Tank Ran Out... What if any changes till a refill? - The Planted Tank Forum
 
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post #1 of 9 (permalink) Old 03-26-2015, 04:31 PM Thread Starter
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CO2 Tank Ran Out... What if any changes till a refill?

I was caught by surprise when my 20lb tank ran out yesterday. I actually caught it within an hour or two of occurring. Nice thing that I got no end of tank dump!

I will be without CO2 for a couple of days until the weekend. Do any of you temporarily change your lighting and dosing schedule during a CO2 outage? I was thinking to cut down my lighting and ferts until the weekend to reduce the chance of encouraging algae growth. Just a couple of hours of light and 1/2 ferts (daily PPS pro dosing).


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post #2 of 9 (permalink) Old 03-26-2015, 04:40 PM
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As long as you are replacing it soon, you should have zero issues continuing your normal schedule. If you are worried about it, I would reduce the photoperiod by an hour or two and only do half doses. PPS pro is not a terribly high concentration so you could probably just continue that like normal.

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post #3 of 9 (permalink) Old 03-26-2015, 04:41 PM
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Yes, I usually have lights off or have most bulbs off for the 1-2 days it takes me to get the refill. I dose fairly heavily most of the time, so I don't add any while the lights are off. Plants will be fine.
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post #4 of 9 (permalink) Old 03-26-2015, 06:12 PM
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I personally would cut the lights, everything will be fine in the dark. That may be overcautious, but I did have some of the harder to fight algae set in on two types of plants when I let the CO2 slip over a few day period (most plant species however did not suffer at all). That could be very specific to me though.
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post #5 of 9 (permalink) Old 03-27-2015, 12:22 AM Thread Starter
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I should just have a two day lapse in CO2. There will be a moderate amount of ambient light even if I leave my lights off. Today I dosed 50% and left lights off so far.


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post #6 of 9 (permalink) Old 03-27-2015, 03:35 AM
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The consequence of having no CO2 for a couple of days is a BBA attack. Anyone who has ever had such an attack should agree that it is well worth being over cautious so as to avoid that. I would just leave the lights off until the CO2 is restored. Plants easily tolerate a couple of days without any light.

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post #7 of 9 (permalink) Old 03-27-2015, 05:38 AM Thread Starter
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Yes, definitely don't want to encourage more BBA. Dealt with that not long ago before I got the CO2 in the first place.

I got caught off guard running out having just recently checked the high pressure gauge and still holding the same pressure for the past few weeks.

My current tank is old and out of date. The original plan was to just get another tank for normal use and have the old tank with whatever remaining CO2 it had available just to cover the couple to few days it would take to refill the primary tank. Now that it is empty it may not be worth paying to rehydro it just to have the spare. It may be easier to just buy a used tank as a spare when I come across a good deal.


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post #8 of 9 (permalink) Old 03-27-2015, 08:53 AM
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dose excel while no co2 to avoid algae forming. or cut back on lightning.
and get small emergency tank for situations like this. paintball tank with adapter will be fairly cheap and small to keep in closet just in case.
this remainds me i need to get my emergency tank refilled
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post #9 of 9 (permalink) Old 03-27-2015, 12:02 PM
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I always have a spare gas canister. I have two planted tanks, 3 canisters.


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| Eheim Prof 3, 2217, 2213 (Purigen only) + 350 Skim, Reeflex UV 800 | HC300A Chiller | 3xKessil A360WE LED + Spectral Controller | Pres. CO2 + Aqua Medic Reactor1000 | DIY Fertz + 2 x Jabeo DP-4 | CAL AQUA LABSí Black Earth & GreenBase subst. + root tabs


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| Eheim 2217 + 2213 | Kessil A360WE LED + Spectral Controller | Pres. CO2 + atomiser | DIY Fertz | ADA Africana + root tabs.


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