Preventing Seiryu leach - The Planted Tank Forum
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post #1 of 9 (permalink) Old 04-24-2019, 08:52 PM Thread Starter
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Preventing Seiryu leach

Hello friends! I've attached a shot of some of my beloved Seiryu stone. I purchased the stone being aware of the issues associated with it leaching, and so I also purchased some UNS aquasoil to remedy the carbonate leach. Unfortunately, the aquasoil was either very overstated in its ability to prevent parameter changes and adsorb carbonates from the water column, or the amount of Seiryu was just too much for it to handle. Either way, the soil did very little and I'm dealing with the dKH climbing to 10+ between weekly water changes. I'm typically doing 70%+ water changes with 1 dKH remineralized RODI water, so there's a significant amount of leach occurring. This means that I either must remedy this leach, or say goodbye to my Seiryu stone.

Here's my possible remedy - dipping the stones in a clear concrete epoxy, like what I've seen people coat concrete tanks with. The stones would be dipped or painted with the epoxy and allowed ample time to cure, then they could be reintroduced to the aquarium.

Can anyone think of a reason this may not be a good idea? I don't know long term outcomes on epoxy sealed concrete tanks. I don't know how/if the fact that this is a high-tech tank running abundant amounts of CO2 would cause problems for longevity. I don't know if my pleco will cause damage to the epoxy and potentially ingest bits while trying to eat algae off of it.

Any insight on this would be appreciated. I'd love to keep my stone, but I can't have parameter swings like this.
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post #2 of 9 (permalink) Old 06-06-2019, 11:02 PM
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Anyone? I am on the same boat. I bought 15 lbs Yamaya stone but most of the pieces are a little bigger than 2 inches
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post #3 of 9 (permalink) Old 06-06-2019, 11:22 PM
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How long has the stone been in there?


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post #4 of 9 (permalink) Old 06-06-2019, 11:44 PM
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Well I don't have any experience epoxy-dipping seriyu stones, but do have some experience with using them in aquariums. Back when I first bought these, they were marketed as inert or from one wholesaler, "mostly inert." They (at least what I purchased) decidedly are not. I am absolutely dumbfounded that these are so commonly seen in Caridina shrimp tanks. Perhaps there are versions that look much the same but have waaaaay less carbonates than mine did? But from my experience from no fewer than 3 batches, they range from KH boosting to flat out crushed coral level alkaline. If you feel like a dip is something you can pull off, it really ought to work if you can coat every square millimeter. Please keep us updated if you go this route, I'm ashamed to say I tossed mine in an African cichlid tank.

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post #5 of 9 (permalink) Old 06-07-2019, 04:36 PM
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If it were me, I'd try a couple coats of epoxy or sealant.

There may be folks on the forum to try this in the past. Worth doing a search.

I've never used natural stone but have made faux epoxy "rocks" in the past and have run into no issues with myriad shrimp environments. Have had some of them in tanks for 7-8 years.


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post #6 of 9 (permalink) Old 06-08-2019, 01:32 AM
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Quote:
Originally Posted by Asteroid View Post
How long has the stone been in there?
My stones been in my tank at least 4 months
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post #7 of 9 (permalink) Old 06-08-2019, 02:05 AM
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Quote:
Originally Posted by 25cube2019 View Post
Anyone? I am on the same boat. I bought 15 lbs Yamaya stone but most of the pieces are a little bigger than 2 inches

Yamaya are inert, I have them in my tank!
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post #8 of 9 (permalink) Old 06-08-2019, 03:48 AM
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Yamaya are inert, I have them in my tank!
I do know that Yamaya are ok but I bought 15 pounds and pieces are mostly too small to do any scaping
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post #9 of 9 (permalink) Old 06-09-2019, 12:04 PM
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You could use silicone or reef epoxy putty to combine Yamaya pieces into something larger. I've had to do that countless times through the years and it's always worked out really well.

Quote:
Originally Posted by 25cube2019 View Post
I do know that Yamaya are ok but I bought 15 pounds and pieces are mostly too small to do any scaping


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