Big G
Member
Happy boxing day all.
Just trying to pin down some issues with a new batch of cherry types I've got.
It's clear that they struggle with the co2 injection level that was present when introduced as signs of distress, even after a long slow acclimation, that emerged with 24 hrs, were relieved by a fairly large water change and taking the co2 offline.
I think I'll keep co2 out of the equation , tweak my lights and ferts regime to try and offset that loss of additional carbon source until I can work out what's the issue.
I've run ammonia( API & Seachem) nitrites (API) and nitrates (API, Salifert and JBL). Also got a Seachem Ammonia alarm litmus-type 24 monitor in the tank.No test-detectable in the first two parameters and Nitrates around tap @ 35-40ppm.
Filter media clean etc.
I've read that adding co2 can tip the balance of osmotic gas exchange in the shrimp to not allow expulsion of co2 so they build up toxicity and show signs of anoxia. I understand that co2 saturation and oxygen saturation are not competitive and can co-exist.
If that's the case could I test for DO in a sample of tank water, attempt to raise it with say, an airstone on a pump and then seek to reintroduce an initially very, very low initial co2 injection for a very low initial amount with the aim of raising the safe threshold at which normal shrimp respiration crosses over into hypoxia/anoxia?
I'm not wedded to co2 in this tank and, because of losses, it's not something I'll dash back into until I'm satisfied I'm getting a raise in o2 from air injection tests.
More sort of mid-term curiosity and a desire to see if I can aquire a balanced planted tank where shrimp can exist with a modicum of co2 for plant advantage.
I daresay its going to be dependent upon the individual shrimp, how they were raised and their genetic capabilities.
I can quite easily deploy the co2 rig elsewhere on a plant-only display tank.
Im no sadist and really treasure my critters. Just wondering if I've understood the science correctly.
All the best
Bg
Just trying to pin down some issues with a new batch of cherry types I've got.
It's clear that they struggle with the co2 injection level that was present when introduced as signs of distress, even after a long slow acclimation, that emerged with 24 hrs, were relieved by a fairly large water change and taking the co2 offline.
I think I'll keep co2 out of the equation , tweak my lights and ferts regime to try and offset that loss of additional carbon source until I can work out what's the issue.
I've run ammonia( API & Seachem) nitrites (API) and nitrates (API, Salifert and JBL). Also got a Seachem Ammonia alarm litmus-type 24 monitor in the tank.No test-detectable in the first two parameters and Nitrates around tap @ 35-40ppm.
Filter media clean etc.
I've read that adding co2 can tip the balance of osmotic gas exchange in the shrimp to not allow expulsion of co2 so they build up toxicity and show signs of anoxia. I understand that co2 saturation and oxygen saturation are not competitive and can co-exist.
If that's the case could I test for DO in a sample of tank water, attempt to raise it with say, an airstone on a pump and then seek to reintroduce an initially very, very low initial co2 injection for a very low initial amount with the aim of raising the safe threshold at which normal shrimp respiration crosses over into hypoxia/anoxia?
I'm not wedded to co2 in this tank and, because of losses, it's not something I'll dash back into until I'm satisfied I'm getting a raise in o2 from air injection tests.
More sort of mid-term curiosity and a desire to see if I can aquire a balanced planted tank where shrimp can exist with a modicum of co2 for plant advantage.
I daresay its going to be dependent upon the individual shrimp, how they were raised and their genetic capabilities.
I can quite easily deploy the co2 rig elsewhere on a plant-only display tank.
Im no sadist and really treasure my critters. Just wondering if I've understood the science correctly.
All the best
Bg