JohnRossDele
Fish Herder
hi all, im in the nitrogen stage of my cycle (my 100 litre tank) and every thing was going perfectly fine until yesterday) i went to test my ammonia for ppm to see if i needed to add any more ammonia when i checked it went from yellow to light green to dark green to a dark blueish colour
its an API test kit
thanks
its an API test kit
thanks