CRS TDS spike? - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 05-25-2013, 03:32 AM Thread Starter
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CRS TDS spike?

so the other day i got my TDS pen because someone advised me that my CRS weren't in the right parameters. My CRS tank is about 5.5 gals and i lowered the TDS to about 150 with distilled water. So i measured every hour about for maybe 5 hours (it was fun testing out my new TDS pen haha) and it was pretty stable. But when i came home today i was just curious, the TDS was over 230. How did this happen? in my tank i have ada amazonia. any thoughts?
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post #2 of 5 (permalink) Old 05-25-2013, 03:57 AM
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can you tell us more of what is in the tank? rocks can leach, crushed coral... do you have a full tank picture?

My CRS/CBS are in about 250tds.


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post #3 of 5 (permalink) Old 05-25-2013, 06:04 AM Thread Starter
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i have plants: hydrophilia pinata i believe its called, glosso and dwarf sag. then i have some java moss tied to a lava rock. and i have like a couple of small pieces of coral bits. could the lava rock and coral be the cause of high tds?
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post #4 of 5 (permalink) Old 05-25-2013, 07:14 AM
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It's the coral. Coral is increasing your gh which is also part of your TDS.
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post #5 of 5 (permalink) Old 05-26-2013, 12:40 AM
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CRS TDS spike?

It's the coral, it increases TDS, GH and PH. Which isn't bad if that is what you are looking for.


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