Dirted tank and co2 regulator question - The Planted Tank Forum
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post #1 of 3 (permalink) Old 05-24-2019, 04:11 AM Thread Starter
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Dirted tank and co2 regulator question

Hi People,

Sorry didn't know where to post this but it's mainly about substrate so I thought it should go here.

I'm Finally getting back into the plant game after a couple of year. I've only ever down small tank 2ft and smaller but now in a 4ft. I''m in Australia and we have strange tank dimensions so this tank is around 45g.

I've just setup a citric acid DIY co2, but it's already becoming annoying, so was thinking of setting up a proper co2 system. Money is a bit tight so I was wondering if those cheap regulators on eBay are any good (I know they aren't going to be great but the good ones cost hundreds in Aust) ?

Now onto my main question. Because money is a little tight, I have a choice between aqua soil or co2 and was thinking of saving $$ on soil.

The issue is I already have fish in this tank so I'm worried about adding organic potting mix with fish. Would it be possible to use a spare tank to "leach" of the ammonia etc than transfer it to my main tank or is it just not worth the hassle and use a proper aqua soil?

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post #2 of 3 (permalink) Old 05-25-2019, 02:29 AM
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My understanding is that aqua soils are generally active substrates and are known to produce ammonia when new.

You could just use an inert substrate. Many people here grow very healthy plants in inert substrate. They prefer instead to fertilize the water.
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post #3 of 3 (permalink) Old 05-25-2019, 03:06 PM
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Originally Posted by jmf81 View Post
Now onto my main question. Because money is a little tight, I have a choice between aqua soil or co2 and was thinking of saving $$ on soil.
aqua soil (really any of them) but if your referring to ADA Aquasoil is not a replacement for co2. It will leach ammonia for quite a while so it would be difficult to replace your existing substrate that has fish in it.

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