I have been given information by a water company, that thiosulphate (as in Sodium Thiosulphate, as in the most common dechlorinator), associates with oxygen if there is no chlorine for it to associate with.
Might we conduct an experiment to verify this and consider the possible implications for our fish?
What I propose is this. We need one member living in a chloraminated supply area, and one who doesn't.
Both members conduct the following tests:
1. Dissolved oxygen in fresh tapwater
2. Dissolved oxygen in fresh tapwater treated with the recommended dose of Sodium Thiosulphate
3. Dissolved oxygen in tapwater that has been stood for 24 hours
4. Dissolved oxygen in tapwater that has been stood for 24 hours and treated with the recommended dose of Sodium Thiosulphate
5. Dissolved oxygen in fresh tapwater treated with the recommended dose of Sodium Thiosulphate, then left to stand for 24 hours
6. Dissolved oxygen in tapwater that has been stood for 24 hours and treated with the recommended dose of Sodium Thiosulphate, then left to stand for 24 hours
It would be great if we could have a couple of willing members sign up for this (detailing what dechlorinator they are using), and post their results in due course (along with the temperature of the water at testing- 25 degrees seems sensible for all but the first two tests). I live in a non chloraminated supply area, and am happy to go buy an oxygen test kit to do half of the experiment (but it'll be the weekend after next before I get time due to work), but we do need someone in a chloraminated supply area to help if possible.
If you are willing and have the facilities to help, but don't know if you're in a chloraminated area or not, pm me your water company and I have that information (UK only sorry).
Might we conduct an experiment to verify this and consider the possible implications for our fish?
What I propose is this. We need one member living in a chloraminated supply area, and one who doesn't.
Both members conduct the following tests:
1. Dissolved oxygen in fresh tapwater
2. Dissolved oxygen in fresh tapwater treated with the recommended dose of Sodium Thiosulphate
3. Dissolved oxygen in tapwater that has been stood for 24 hours
4. Dissolved oxygen in tapwater that has been stood for 24 hours and treated with the recommended dose of Sodium Thiosulphate
5. Dissolved oxygen in fresh tapwater treated with the recommended dose of Sodium Thiosulphate, then left to stand for 24 hours
6. Dissolved oxygen in tapwater that has been stood for 24 hours and treated with the recommended dose of Sodium Thiosulphate, then left to stand for 24 hours
It would be great if we could have a couple of willing members sign up for this (detailing what dechlorinator they are using), and post their results in due course (along with the temperature of the water at testing- 25 degrees seems sensible for all but the first two tests). I live in a non chloraminated supply area, and am happy to go buy an oxygen test kit to do half of the experiment (but it'll be the weekend after next before I get time due to work), but we do need someone in a chloraminated supply area to help if possible.
If you are willing and have the facilities to help, but don't know if you're in a chloraminated area or not, pm me your water company and I have that information (UK only sorry).
