Anyone who keeps rays can you please share some numbers?

  • We are currently upgrading MFK. thanks! -neo
Just feeding your fish will raise your TDS/ppm, if thats what your asking?

Much of the ppm is nutritional salts (a direct translation from danish, so not sure if it is also the correct englsih term) wich is found in the fish's.... well, poo. :)

These will be broken down/used as the water matures (if you dont keep adding new.. poooooo). :)
 
DB junkie said:
Could I please have you guys share some water numbers with me?

I'm looking to compare TDS numbers. In tank and from source water (tap/well or drip)

Any input here would be GREATLY appreciated. Thanks!!!
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is that Total Dissolved Solids (TDS) that your checking or have i got the wrong end of the stick ?
 
Yes, TDS = Total disolved solids.

Would this number not be a direct indication of just how clean the water is?

My question is did I just kill a newborn pup by putting it in a dirty tank? Are TDS levels that are that high dangerous to newborn pups?

Most people judge how "clean" tanks are by Nitrate level. Would TDS be a more accurate number to watch?

Could this number be the reason I have so much trouble with pups or delicate species like Hydrolycus?

Anders are you telling me these #s will go up by feeding them, then back down over time? I'm confused.
 
DB junkie said:
Anders are you telling me these #s will go up by feeding them, then back down over time? I'm confused.
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Yes. :)

What you are reading is all the waste product from yours rays. Much of it will be broken down by the bacteria found in your water (not everything can be broken down/used by bacteria).

Its explained here in a way that makes it easier to understand: http://en.wikipedia.org/wiki/Total_dissolved_solids

Btw, no need to worry about it. Your rays are not suffering. :)
 
I was always under the impression that tds is what gives water its stability as far as ph and alkalinity. I was also under the impression that when you lower the tds these aspects of your water become unstable and can swing very easy. I used an rodi on my reef tanks for years to strip the water down to 0 tds but then the reef salt brings back all your trace elements that you need without the phosphates and such that grow algae. The only filters that I run on my tank water is a 1 micron filter and a chlorine filter and then let water age for 24 hours with a heater. I will get some tds readings when I get home.
One thing I just thought of is have any of your tanks ever had copper used in them. I know as far as reef systems go copper is a no go. The copper and can leach from tanks that have had copper in them before. I know people that have had problems with this because they buy used tanks without knowing the history of them. I would get a test kit for that maybe just to see.
 
Sorry DB I read that backwards, your TDS is dropping in the tanks and not rising. I was thinking your water was going up in the tanks. Minerals and impurities are what cause TDS to go up. So your pup tank being so high could be from rotting food in the filter, salts added, or substrate. Is the pup tank on the same drip system or are you not dripping at all?
 
i dont think tds is something to worry about in itself as its just a count of the "bits" in the water. it would be more important if you know what these solids were made up of and if any of them were chemicals or problematic or if the solids are just particles of algae , food , substrate or as anders said poop . but your not going to find that out regardless of what the tds reading is.

i personly dont think you should stress of the tds readings as long as your filters are working and im sure you have seen fish survive in water thats not clear .... just go to your local lake or river and im sure you will find the tds reading pretty high.
 
Because of the container and what it's a little more red and this is a little after feeding. But yes that's correct. And your point is??

eklikewhoa said:
am I seeing the nitrates right?
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I know this goes against everything you believe but maybe your filtration is too large and too complex. My big system is 750 gallons with 8 adult rays ranging from 13-17" and a stupid turtle, I run a 200 gpd drip that is run through 2 carbon filters, My pump is pushing 55 gph after head loss through a sock filter then a 30 gallon bead filter. Water is top notch and everyone is happy. I am concerned you have lots of dead spots or places for poo and food debris to get hung up and even though you have lots of water and lots of flow you might be leeching bad stuff back in instead of taking out.

Also, I do not believe pup loss was due to TDS. If so you would see the others having issues.
 
andersp90 said:
Yes. :)

What you are reading is all the waste product from yours rays. Much of it will be broken down by the bacteria found in your water (not everything can be broken down/used by bacteria).

Its explained here in a way that makes it easier to understand: http://en.wikipedia.org/wiki/Total_dissolved_solids

Btw, no need to worry about it. Your rays are not suffering. :)
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Already lost 1 pup so far. No need to worry huh? I disagree.

So if the TDS # means nothing can you speculate why it's impossible for me to keep sensative species like Hydrolycus or Discus?

Those high TDS #s don't scream poorly maintained tank to you?

Well, if these #s are normal, I'll feel a LOT better after other people start posting thier similar numbers, but I don't have ANY numbers to compare yet, after all that was the reason I started this thread..... ;)
 
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