PygmyMitch
Fish Fanatic
So iāve done a pH test on my tank water and on my tap water, and they are different. What causes the pH levels in my tank to be higher compared to the water out of my tap ?
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The rock is a grey colour all over. some parts slightly lighter in colour than the rest. No seashells or dried coralswhat color is your rock and do you have any seashells in the tank, dried corals?
your water is neutral to slightly acidic so it works faster on the rockWell hopefully i will have the official answer next weekend when I test the waters again. Thanks for the input, I wasnāt aware that different rocks caused your pH levels to change
I think iām starting to understand it better now, but correct me if iām wrong. So looking up ācalcareousā it says this āCalcareous (/kƦlĖkÉÉriÉs/) is an adjective meaning "mostly or partly composed of calcium carbonate", in other words, containing lime or being chalky.ā
and I do remember my rock being sort of chalky at one point when i had it out my tank a while back and it had dried. So obviously my rock must āleakā (if thats the correct term) alkalinity which is why my tank water will have gone from being more acidic to being more alkaline ?
but i donāt understand what you mean by āit works faster on the rocksā Iām assuming you mean there is a reaction between the water and rock that occurs faster because the water is more acidic and the rock is more alkalinity, which is what causes the rock to āleakā alkalinity ?