water test

The long and skinny of my issue is that I have something leaching from the sand I use as my substrate that is causing an alarmingly high false reading using a salicylate based ammonia test kit (API specifically, but any test using this chemistry will most likely provide the same results). I...

My tests keep coming back as having a low carbonate hardness (kh). I have used Easy balance to try and level the kh out but always seems to be too low recently. Help please!

Hi I'm new here... I've kept fish before but not for a long time since I was a teenager and my daughter wanted a tropical tank so I was dead excited to help her set it up! So recently set up a 10 gallon tank with heater filter etc let it run for 7 days after using the tap safe additive and went...

Hi. I have a 125 display tank with 2angels, 5 gouramis, 1 swordtail, a pleco and 8 glofish. It has been established about 2 months. I do 25% water changes every week. I use an API master test kit and all my levels have always been in the normal range except my ph. It is off the scale so I know...