- Joined
- Jan 9, 2020
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Hi everyone,
We have a bit of a mystery on our hands. Our tank is relatively new and salinity has been running at 1.021 (and we want to gradually increase this to 1.025). We recently added an Aqua Medic skimmer (last Saturday) and ever since, the salinity of the tank has been slowly dropping. Today's reading (using a Serenity MS-31 digital hydrometer) is sitting at 1.018 and last night it was at 1.019 We have tested the hydrometer in distilled water so I think it is working correctly.
Anyway, to help with the drop, we replaced 15 litres with 1.025 saltwater and have repeated this step this morning. We have also replaced the ATO tank with salt water instead of fresh water.
Not sure if we are doing the right thing or not and certainly do not want to stress out our fish. Any advice would be greatly accepted.
We have a bit of a mystery on our hands. Our tank is relatively new and salinity has been running at 1.021 (and we want to gradually increase this to 1.025). We recently added an Aqua Medic skimmer (last Saturday) and ever since, the salinity of the tank has been slowly dropping. Today's reading (using a Serenity MS-31 digital hydrometer) is sitting at 1.018 and last night it was at 1.019 We have tested the hydrometer in distilled water so I think it is working correctly.
Anyway, to help with the drop, we replaced 15 litres with 1.025 saltwater and have repeated this step this morning. We have also replaced the ATO tank with salt water instead of fresh water.
Not sure if we are doing the right thing or not and certainly do not want to stress out our fish. Any advice would be greatly accepted.