Overkilling with CO2 - The Planted Tank Forum
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post #1 of 3 (permalink) Old 04-07-2018, 01:51 AM Thread Starter
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Question Overkilling with CO2

My goal is to grow carpeting plants like dwarf hairgrass on a 10 gallon tank.
I have failed 2 times already and had to reset everything.
But this time I have invested a lot. (CO2 injection + liquid CO2 + ADA soil, additives, lights and ferts + sterilizer)
Not going to have any live stocks until I have some carpets.

Now can I overkill it with CO2? (I want to be extra safe and something that guarantees growth)
What would be best and fastest way to get a carpet going?
And can I inject CO2 directly into my filter? instead of using diffuser/reactor?

Last edited by damgyeah; 04-07-2018 at 02:10 AM. Reason: added reason
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post #2 of 3 (permalink) Old 04-07-2018, 02:40 AM
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Yes, if you make the water too acidic, you can kill your plants. Just do a 1 or 1.5 degree pH drop. So measure pH when tank is completely off gassed, then measure pH after several hours of CO2 injection. Plant a lot of DHG off the get go. It can be demanding, sounds like you've got all the ingredients for success. Also, start with no more than 5 hours at 100% strength light until you have some plant mass built up, then you can start ramping up time slowly at that point.

Do not inject CO2 directly into your filter, air hitting the impeller constantly isn't good. Get yourself a 3 pack of in-tank glass diffusers. They'll need frequent bleach baths to keep pores clean so that's why the 3 pack is nice.

To achieve growth, you need micros and macros, so NPK are your macros, CSM+B or Miller's Complex for your micro mix. Good light and adequate CO2 with that and you're golden. Be patient. Don't ramp that light up past 5 hours until there's plenty of mass and if you start seeing algae, go down to 4 hours. 50% weekly water changes if you're dosing EI
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post #3 of 3 (permalink) Old 04-07-2018, 04:52 AM
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There are a few videos on YouTube on how to plant DHG: trim the roots, trim the tops, then plant in small clamps. If you want it to spread faster, trim more often.
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carpeting plant, co2

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