Persistant Ich, Acid water, potting soil - The Planted Tank Forum
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post #1 of 1 (permalink) Old 08-20-2017, 08:30 AM Thread Starter
Algae Grower
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Thumbs down Persistant Ich, Acid water, potting soil

I have persistant ich problem in otherwise very healthy 100gal tank. 14species of tank raised Tetras and some Rams and most were spawning. Water prams are fine and H2O a solid 79. No new fish or decorations. This problem started when strand algae and D. Sag and W. Sprite were taking over tank. I uprooted plants to thin, quit dosing and increased co2 to 3-4bbs and cut back on light 5hrs. In few days algae started dying and some Sag started dying. It was at this time that the ich appeared. Did 30% H2O change and raised temp to 87. I am taking advice from members to keep elevated temp of 87 for 2 weeks instead of just 5 days but this does not explain why ich appeared at all. I am suspecting the potting soil that was pulled up is producing a more acid enviroment. I ordered new Cal solution and rechecked PH. I now find Ph has dropped to 5.6 from 6.5.
Whenever I raise temp and do a water change the fish perk up but it does not last.
I think this Ph is too low and may be the real culprit. My tap and RO are 7.4. I am unsure how to fix this except to cover any exposed potting soil w/more gravel.
Anybody have ideas on this? It would be interesting to get sample of potting soil and check Ph. I always wanted a Ph under 7, be careful what you wish for!

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acid water, persistant ich, potting soil

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