you didnt soak it in salt water to cure it did you...?
You can kill your fish very quickly id you dont cure your backgrounds...
what you need to do is evac. the tank add alot of salt, a bit higher then a salt water tank and leave it for two weeks, then empty it and rince everything three times and test for salt, keep rincing untill its normal, then the ph will be fine... you didnt read this in the tutorials???, there was a grate one where a guy did a easter island theam and explained it a hell or a lot better then i did...
You can kill your fish very quickly id you dont cure your backgrounds...
what you need to do is evac. the tank add alot of salt, a bit higher then a salt water tank and leave it for two weeks, then empty it and rince everything three times and test for salt, keep rincing untill its normal, then the ph will be fine... you didnt read this in the tutorials???, there was a grate one where a guy did a easter island theam and explained it a hell or a lot better then i did...