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Discussion Starter · #1 ·
Hi…Iv heared that using a bag of crushed coral inside ur filters can actually help in buffering and raising the ph of the aquarium…I just would like to know how much amount of crushed coral should i use for my 300G and how long would it actually take for it to expire?also instead of crushed coral in a bag can aragonite sand be also used in the same way or can than be only used a s a substrate only?
Thanx in advance😇
 

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Discussion Starter · #3 ·
Not sure about aragonite in your media bag, but I see crushed coral used this way. I use crushed up limestone in my filter media bags. I had some limestone bases I busted up into fairly small pieces and use that. But the crushed coral would be much easier.
There is no reason to not use aragonite in your media except for how much it will raise your PH. Its perfectly safe. Maybe Google the PH of both substances and see?
I am using aragonite as my substrate and it is doing the job. I do water changes with soft water and do not buffer or add anything to it. No apparent problems so far and none expected. But the PH does come down a little at water changes.
Ok…thanx a lot…can i knw hw much ur ph is just because of the aragonite sand since you dont add anything else for the ph?…
 

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Discussion Starter · #7 ·
@Muhammed Hisham , why do you think you need to raise the pH of your tank? What is your current tank pH as well as the pH of your source (tap) water?

If your KH (alkalinity) is low from your source water, buffering may help maintain a higher pH level in the tank.

Do you test for pH, GH (hardness) and KH? If so, what are your test results?
My ph in the tank is around 7-7.2 now with the api kit…i dont have the test kit for kh and gh actually…my tap water ph was also in the same range but i donno y but its around 6.4 now and its rainy season here too…i use well water by the way…just to be on the safer side i think keeping a bag of coral in the sump would keep my worries abt the fluctuating ph right?also would also benefit the africans as they like higher ph too…
 
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