Ares Posted June 9, 2021 Share Posted June 9, 2021 About three weeks into my first tank (Fluval Evo 13.5 gal), I added a Discosoma mushroom to my tank. Took a few days to really open up (first pic). After I did a water change a week later (the first water change I’ve done - 4 days ago today) of about 2 gallons, I noticed that it looks less full/more flat (second pic). I tested the water in my tank the next day and saw that my Ca had dropped from 420 to 380 ppm and my alkalinity dropped from 12 to 10. Everything else stayed the same (pH, ammonia, nitrites, nitrates, salinity, phosphates). Any ideas on what to do? Do I just wait it out and see if it adjusts like it did when I first got it? Quote Link to comment
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