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Woo Hoo!! Congrats on the new babies. I count 4 of them now. When you run out, try rolled Oats. You can put the oats into a blender if you want it a smaller size. That's essentially what that product is made of. Oats, Wheat, Barley blended into a powder.

Hey all, Newbie shrimper here. I have a 5gallon tank with driftwood, bunch of plants, gravel, cherry shrimp, neon tetras, and a neurite snail. Everything seems to be healthy and fine but the only thing that was way off was my GH (at 22+). When I test the aged tap water, GH is at the ideal level and it may have to do with a giant rock I had in the tank as decoration previously (I removed last week). I read on the forum that some people say high GH isn't too bad for the tank, but seeing how everyone recommends approximately 3-5 GH level, I wanted to make sure I made the water optimal. I bought some distilled water to dilute the water and bring the GH level back down, but how often and how much should I be doing the water changes? Can anyone help me with a guide on how to bring my GH down asap without messing with the other levels? Thank you in advance! -Dave Posting a picture of my tank here for those interested

As always JayC has it sorted. Just wanted to say many years ago when I started I bought some blocks of something (I think they were calcium) which looked like blocks of chalk! There were sold as 'good for shrimps' (off ebay) but boy did they throw the TDS through the roof - I wasn't testing GH then as I was new to keeping shrimp. I don't recall it killing any (neocaridina) shrimp though, but binned the rest of the blocks! I suspect that crab was made of same/similar going by the look/texture. The only good thing was, as said, it didn't kill any shrimp, weirdly so you shouldn't need to panic! The rock in the picture looks like it may be sandstone, but I couldn't be 100% on that as my screen is quite small? Simon

Oh Yeah. That's the cause of your high GH and TDS. Those vacation feeders can cause a real mess with tank water parameters. Gravel vac the spots where the feeder melted. The rock might have contributed to the increased GH as well, but not nearly as much as the feeder. Feeder blocks are nothing but 90% calcium wrapped around a small portion of food. Never use feeders. You can stop the gravel in a cup test too. We have found the cause.

GH was at 22 before so it has gone down slightly. I have done as you have said and letting the cup with DW and gravel sit there till tomorrow. I bought regular gravel from petco (dont think it was anything special) as for the high TDS and GH values, I have two suspicions. The giant rock I had in there earier (picture below), and I had a cheap vacation feeder (aso in picture below) that slowly melted and covered everything in white/“light pinkish color ALL over when I returned from a 5 day vacation. Does the vacation feeder change water parameters? I gravel vacuumed and did a 30% water change but may still have residue?

That's way too high even for Neon Tetras. They prefer the soft waters, just like the amazon river. What gravel do you have in the tank? - take a handful and put it in a plastic cup with some distilled water. Measure the GH and TDS. Then wait 1 day and re-measure the water in the cup. If the GH and TDS have increased, then the gravel is your culprit.

Follow up, just got the tds meter in and it is reading at 390+ ? Post 10% distilled water change here are the values ph 7.2 kh 2 gh 19 Should I be gravel vacuuming with the change? Really worried about the high values here

I think that video was only posted 3rd January so the very day you had problems, spooky! I use the Bacter ae (bacteria) and the Beta Glucen (immune system) but as the original video I use a LOT less than they recommend and use it twice a week. Again I use the pin method so as not to get too much, the bacter ae clouds the water if you use too much. I go by 'a little is better than none, but too much is dangerous'. Hope you got the tetra tank set up and now you can just wait for that to cycle. Fantastic to hear you have more babies, hopefully everything will be on the up from now on, you have passed the first week as well. I have put spinach in my tank this morning and counted 97 shrimp, got to start culling again? Simon

More babies have arrived this morning! *joy is in the air* Sent from my SM-N950F using Tapatalk

@sditbfanuk & @jayc, Thank you very much for your help! Will definitely stick to the 10% water changes and keeping the GH level to the figure you mentioned. Recently ordered a TDS meter and should be arriving soon! I saw a video online where the hard water was not allowing the shrimp to molt and break out of the shell, and it laid on its side. This scared me straight and wanted to make sure! Feeling much better with everything now. Thanks to both of you!