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Is it safe to start planting with 0.25 Ammonia reading …

Ossie

Member
Joined
1 Jul 2022
Messages
87
Location
Helens Bay
Hello,
I have been cycling my tank blindly for four weeks and my ammonia reading is 0.25 I am keen to start planting.
May I ask is it safe to do so …
 

erwin123

Member
Joined
4 Mar 2021
Messages
1,067
Location
Singapore
Welcome to UKAPS The best way to cycle the tank is to get it planted . Fast growers will really be benefical

Because you have listed Tropica Soil and Tropica root tabs in your equipment list - just a gentle warning that the stuff releases ammonia - getting to 0ppm Ammonia may take a longer time. You'll need patience and maybe some hardy plants like Paraguay suggested (not magic water that promises to cycle your tank faster :cool: ) Since you have a HOB filter, you could even dump a garden plant or two in it. My HOB filter is used as a planter.

From your other thread. I've highlighted the words in red in Paraguay's post just in case you missed them...
 

_Maq_

Member
Joined
23 Jun 2022
Messages
622
Location
Czech Republic
Unfortunately, nobody has asked you about your pH.:(
pH is decisive in that it determines how much of your 0.25 ppm is harmless ammonium (NH4+) and toxic ammonia (NH3).
Folks, any reading of ammonium/ammonia is worthless unless accompanied by pH value.

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Last edited:

erwin123

Member
Joined
4 Mar 2021
Messages
1,067
Location
Singapore
Unfortunately, nobody has asked you about your pH.:(
pH is decisive in that it determines how much of your 0.25 ppm is harmless ammonium (NH4+) and toxic ammonia (NH3).
Folks, any reading of ammonium/ammonia is worthless unless accompanied by pH value.

Ossie is asking whether he can add plants to his aquarium when ammonia is not zero. The answer given by Paraguay, which I agree with and so does plantnoobdude, is that you can add fast-growing and hardy plants immediately.
 

dw1305

Expert
UKAPS Team
Joined
7 Apr 2008
Messages
14,585
Location
nr Bath
Hi all,
Unfortunately, nobody has asked you about your pH.:(
pH is decisive in that it determines how much of your 0.25 ppm is harmless ammonium (NH4+) and toxic ammonia (NH3).
That is why I prefer to use <"Total Ammoniacal Nitrogen (TAN)">, it takes pH out of the equation.

In planted tanks pH is very much a <"movable feast"> as the <"oxygen and CO2 ratio change">.

I think of TAN like <"potential energy">. As an analogy I'm not too bothered if a grain of sand falls on me, but if that sand grain becomes a huge rock ("the NH4+ converts to NH3 as the pH rises") it has the potential to do a lot of damage.

cheers Darrel
 
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