Ok. So I tested my KH and GH in my 60. I recently lost two cardinals ( had for 8 months) 1 neon (6mo) and two new neons. All the rest of the fish are fine. (Zebras, yoyos, guppies, white clouds, cherry barbs and rummynose).
My KH is a 4.5. Which is great for my plants and tropical community fish. But the GH is a 12!! So if I understand correctly I have non-carbonate hardness? My ph is a7.4 after I did 5 gallons of RO water. ( too expensive near me).
How can I lower my GH so my fish thrive and the plants grow best? I have a 48" T5HO double bulb light and Co2 system. I fert with root tabs and liq ferts.
Any ideas guys?
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Often the evaporation condenses the GH and the plants use up the KH so you get a bad ratio. You can check your tap water GH to see the comparison. If lower, then you need to catch up on the pwc and get the ratio back in line ith the fresh water. If tap is too much GH cut it with RO water.
Gassed a bunch of my fish.
So sorry to hear that.
Got back from my trip a little early.
Did pwc on one tank which was missed in the lighting and food care for a couple days, (only one in a different room) and then it got overfed to make up for it :/ Has only 4 Chili Rasboras so it was wayyyyy too much food for them. The snails were pretty happy.
Added in a bunch of water to all the tanks from evaporation and fed.
Going to check the tanks and do a couple more pwc.