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They have now provided the chemistry if anyone is interested in making sense of it. H2O = H+ + OH• + e- H + + H2O = H3O + NH3 + H3O + = NH4 + + H2O NH4 + + 7 OH• = NO2 - + 5 H2O NO2 + 2 OH• = NO3 - + H2O 2 NO3 - + 2 OH• = N2 ↑ + 3O2 + 2H2O

Thanks for the heads up. Will definitely use in future

The pump has arrived. A word of warning for anyone considering it, at minimum dosing level it is outputing 25ml per min, not a huge problem for me but is definitely not a pump for anyone looking for precision

Thanks for that, I'll keep am eye on it. I have some non return valves from my yeast CO2 days. Sent from my SM-J100H using Tapatalk

Tank is 150 litre and I dose 15 ml per day. I can mix up to 2 litres in the container so my view was to test at 1 minute and adjust the dilution of the ferts if it's way out. Do you have any problem with ferts dropping out of solution? I have a spare air pump that I was considering putting on...

I don't dose liquid carbon and use an all - in -one so I think a single will do me for now

Thanks, not sure I do tbh. Although I guess that could change in the future.

I've been considering this for dosing ferts http://www.ebay.co.uk/itm/Dosing-Pump-For-Aquarium-speed-adjustable-DIY-Suction-Cup-New-Design-black-color-/271875541689?hash=item3f4d0b8ab9 Has anyone used this or feel there is a better alternative. Thanks

This is the doc that supposedly explains it all https://fishkeeper-uploads.s3.amazonaws.com/uploads/2015-01-16/35e39ecbcc46924400e1679262dcd8c5.docx

Very sorry all, I've seen the light and realised my mistake. Basically the dials on my reg dont display Bar. They show MPa (Megapascals). What I thought was 5 Bar was the bottle pressure of 5MPa (50 Bar), the working pressure of the reg is 0.3MPa (3 Bar). Now I know this I feel a bit...

Whether I need to run at this level or not, this is the pressure it has always worked at and I have no idea how to safely change it. IF anyone has experience of these regs, can confirm it is safe to remove the nut on the front and how to reduce the pressure I'd be very grateful to hear.

12 months so far, still holding out.

This is my one. http://www.ebay.co.uk/itm/Aquarium-CO2- ... 25676e4898. Not sure if it's adjustable, I can see a nut on the front but havent tried to turn it incase the whole thing comes apart.

Reading another thread I saw someone refering to their working pressure being 1.5 bar. I've never checked what the pressure is on my regulator before as everything is working fine. I just checked now and it's 5 bar. Is this a problem? I use an up aqua inline. The only thing I've noticed...

I play online age of empires occasionally, kids hog the xbox so I dont get much chance , GT ShirtyPlane57. Actually it's just changed as I never changed it originally GT is now ConTici :)