hey i am new to this. in my 30 gallon tank i have lava rock in it every morning i wake up and there is red stuff it looks like rust, i was wondering if this is just normal or is it because of something else like filteration or something
hey i am new to this. in my 30 gallon tank i have lava rock in it every morning i wake up and there is red stuff it looks like rust, i was wondering if this is just normal or is it because of something else like filteration or something