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A question that’s most likely going to have been asked before on the group but worth another shot with help and advice 🙂

Nathanh2150

Member
Joined
9 Oct 2020
Messages
286
Location
Norwich
I have had my tank now for over a year
Loving every second of the hobby as this is a passion of mine
Having enjoyment and accomplished a well established tank with so much help and guidance I am truly blessed to have stumble Across a group with many people willing to help no matter how silly the question maybe 🤔

My question to you all is
I have a aquascaper 900 heavily planted with an inflow of c02 I also daily dose with plant food and add from time to time root tabs. If I was to cut out the c02 would I see huge changes in plant growth for example slow growth or dyeing plants that may relie on the c02 even tho daily plant food is added

I currently have my c02 on an automatic timer
And also my light
I am running the c02 though my biomaster 900 thermo

The only reason I am thinking of disconnecting my c02 at this time is having moved into a new property bills are a little higher then usual but once everything is back to normal I’m more than able to purchase a new c02 canasta. Nothing with change as I am highly 100% committed to my aquarium but just seeing what would maybe be the consequences of disconnecting my c02

Below is a photo of my aquarium at its current state

Thankyou to everyone for there time and help with my enquiry I appreciate it
 

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hypnogogia

Member
Joined
6 Apr 2017
Messages
1,009
Location
Oxfordshire
I think if you turn off your CO2 you might also consider reducing your fertiliser and lighting to ensure that everything stays in balance. Otherwise you end up supplying more nutrition and light than the plants can make use of.
 

Nick potts

Member
Joined
25 Sep 2014
Messages
961
Location
Torbay
As above, if you're going to cut CO2 I would also reduce the lighting and fertiliser dosage. I would also reduce the co2 level gradually (if the canister hasn't already run out).
Another option would be to run a very low level of CO2 which would last a lot longer but still benefit plants, it would still mean reducing lights and fertilisers.

Some plants are going to react badly most likely, but I can't see anything in your pics they couldn't adapt to no co2
 

Nathanh2150

Member
Thread starter
Joined
9 Oct 2020
Messages
286
Location
Norwich
I feed the plants 20ml of seachem flourish Daily in the morning and also add in 5ml seachem flourish excel
The Co2 turns on an hour before the lights and an hour before the light turns off
There’s enough c02 in the canasta but only slightly before it goes into the red
I was thinking of decreasing the bubbles in the c02 reactor
As my bubble count is 5 bubble second in and around that.

When doing monthly water changes it’s 25ml of flourish and 10ml of excel
 

John q

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Joined
6 Jan 2021
Messages
1,259
Location
Lancashire
With the exception of the pinnatifida I can't see anything that wouldn't grow well low tech. The ludwigia might grow slightly smaller leaves and its orange colouration may fade a bit, other than that I think everything would be fine.

Obviously you'd need to cut the light intensity like others have suggested. I'd also suggest you start feeding a complete fertiliser, this will give the plants the best chance of survival going forward.
 

arcturus

Member
Joined
6 May 2021
Messages
444
Location
DE
With the exception of the pinnatifida I can't see anything that wouldn't grow well low tech. The ludwigia might grow slightly smaller leaves and its orange colouration may fade a bit, other than that I think everything would be fine.

Obviously you'd need to cut the light intensity like others have suggested. I'd also suggest you start feeding a complete fertiliser, this will give the plants the best chance of survival going forward.
+1
The tank has a low-ish plant mass, you have no carpet plants, or demanding plants. Just reduce the light levels and add fertilizers.

If you plan to keep the same planting scheme, I would actually keep this as a low tech tank going forward and ditch the CO2 altogether.

Meanwhile, I would add some floating plants to help balancing out the system and filtering the water.
 

Ajm200

Member
Joined
19 Feb 2010
Messages
521
Location
London
I ran a 500l tank high tech for a while but it was hard to work isn’t as the cabinet was extra tall, the tank was 2ft deep and 2ft wide and I’m 5ft.

I gradually reduced the CO2 over a month. Has a bit of algae and melt but not horrific
 
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