Low PH should i be worried?

[carloz209]

So ive been using watermill water for both my FW tanks for a year now because my tap water has something in it that has killed my fish in the past and also high nitrates. The watermill water website states their PH is 6 and i have confirmed it by testing it. However both my tanks read PH levels in the 5s. I have not lost any fish since i been using watermill water and on both tanks my Angelfish have laid eggs which i heard is a sign of decent to good water conditions correct me if im wrong. So my question is should i be concerned about my PH being in the 5s? I began adding Replenish when i do WC.
1 of my tanks is a planted tank with a colony of black mollies and 4 angelfish its a 40 breeder.
my second tank is a 55 community with 7 female bettas 1 3 dot gourami a mated pair of Angels 4 black mollies and 2 bristlenose plecos. i read my notes from a year ago before i switched to watermill and the PH was in the high 7s.
The reason i say the PH is in the 5s is because both the strips and the API master kit read the lowest possible PH of 6 and the hanging PH alert by Seachem reads 5.4 PH.

Any advice suggestions are appreciated. and yes i do weekly WC of 20% and like i said i have not lost any fish since i started using watermill water.

 

[CrackerboxPalace]

honestly all the fish you have are suited to soft water, being from the amazon region

except maybe mollies, but they’re hardy enough anyways.

 

[carloz209]

honestly all the fish you have are suited to soft water, being from the amazon region

except maybe mollies, but they’re hardy enough anyways.

thanks for the insight. and yes mollies are hardy in my planted tank my pair of mollies have spawned like crazy thats why i said its a molly colony. I have no intention of doing anything yet unless I see my fish start to die off due to high acidic water. I will be getting shells, kh buffer and other items that could help raise the ph but just to have them on hand in case worst case scenario. I am still doing my research and trying to read about others insights into low PH.

 

[Frank the Fish guy]

If it ain't broke, don't fix it!!

If I were you though I would try to figure out what is in your tap water that kills fish. Is it chlorine? Something leaching from your pipes? I would try to figure that out. Just so you could skip the expense of having to buy aquarium water. And also for the sake of the humans!

As far as the low pH goes, your waterwell water is basically distilled water. Distilled water absorbs C02 from the air and forms a weak acid that registers as low pH on the test kit. But this is a different situation than having truly acidic water, which is bad and inhibits the bacteria.

Your water is actually neutral, but the test kit is registering a low pH because of the C02. As long as your cycle is going (check your ammonia and nitrites) then you are good to go. Just realize that your test kit is not really working for your distilled water.

But try to figure out your tap water.

 

[carloz209]

If it ain't broke, don't fix it!!

If I were you though I would try to figure out what is in your tap water that kills fish. Is it chlorine? Something leaching from your pipes? I would try to figure that out. Just so you could skip the expense of having to buy aquarium water. And also for the sake of the humans!

As far as the low pH goes, your waterwell water is basically distilled water. Distilled water absorbs C02 from the air and forms a weak acid that registers as low pH on the test kit. But this is a different situation than having truly acidic water, which is bad and inhibits the bacteria.

Your water is actually neutral, but the test kit is registering a low pH because of the C02. As long as your cycle is going (check your ammonia and nitrites) then you are good to go. Just realize that your test kit is not really working for your distilled water.

But try to figure out your tap water.

Thanks for the insight. That was really informative i appreciate it.
As far as my tap water i get well water so the plumbing might be too old which might be leaching something into the water or the fact that it is untreated the source of water itself needs to be treated idk. Nobody drinks the water anyway. I have been meaning to take a sample of the water for testing but i keep forgetting about it. and I honestly dont mind making weekly trips to the watermill its only a mile or so away so in my car its about a 3 minute drive.
As far as it being distilled its not exactly distilled. i have attached the website from the watermill because they claim its not distilled water but your point is still valid and i see what you mean.

How does your water compare with distilled water? – Watermill Express
and yes ammonia and nitrites are at 0.

 

[CrackerboxPalace]

distilled water is not good for aquariums anyway since you'll have water softness problems and potentially pH swings, so that's good.