chemistry

  1. B

    How to keep good Alk Stability in a 20 gallon Reef

    Hello guys!! I just wanted to inquire about a real problem I just realized I may have. So, to begin, I have a 20 gallon tank, stocked with 2 hammers, a fathead torch, an acan, a variety of mushrooms, and some gsp, not sure if thats considered mixed but thats besides the point. Anyways, I use the...
  2. Ozone, Bacteria, and the Microbial Loop: What Really Happens to Dissolved Organics in a Reef Tank

    Ozone, Bacteria, and the Microbial Loop: What Really Happens to Dissolved Organics in a Reef Tank

    Recently, a customer asked us a very thought-provoking question: “I’m interested in learning more about this characteristic of ozone mentioned on the Mutiny Ozone Reactor page: ‘Coupled with an efficient protein skimmer, ozone can help improve water quality by breaking down large organic...
  3. static416

    Suddenly so much budding/branching in my SPS

    I had a previous smaller SPS tank that was great from day 1. Everything grew immediately and I don't think I lost a single frag. When I upgraded to the new much larger system, it's never really been perfect, and for at least a year growth has basically been stagnant. I tried many things, but...
  4. FishTacos2

    DIY phosphate please double check my math

    I know there are posts on this but I would like someone to check my math as there is obviously a lot on the line if I mess this up. I want to make a 1000ppm batch of trisodiumphosphate, which is I believe is what I’m currently buying premade for $20 per bottle from a popular company. 1000ppm=...
  5. Besieged

    How much does your pH fluctuate over the course of a day?

    How much does your pH fluctuate over the course of a day? A week? A month? I'm curious to hear from folks who track it regularly - especially those using pH probes with graphs (like Apex, Hydros, ReefPi, etc.), but all are welcome. I’ve noticed some patterns in my own tank and wanted to see...
  6. J

    A newbie's dilemma: Should I raise Alk only or just get All For Reef? If so, how?

    Hello everyone, First time reefer, tank is now approximately 5 months old with around 10 frags of corals in the tank and a pair of clownfish. Tank is a 25 gallon waterbox. But I'm guessing with the rock and sand, I've lost a few litres there. LPS and softies only (for now). So far, I do not...
  7. T

    ICP Testing with Moonshiners

    I am interested in starting the moonshiners method on my reef tank. I have a ton of other ICP-OES testing kits. However, none are ATI kits. Can other ICP-OES test be used and still produce valid and accurate results? I would love to start the method using the box of 14 fauna Marin ICP tests...
  8. nkyreef

    Testing Alkalinity Mixture

    I've needed to adjust my alkalinity levels manually since making a new mixture with BRS soda ash. The new bag has a 1 1/2 cup to 1 gallon ratio. The older bag was 2 1/3 to 1 gallon. Is there any way I can use a Hanna checker to measure the "strength" of the mixture? Can a certain measurement of...
  9. N

    Does dosing Kalkwasser, reduce magnesium?

    My tanks Magnesium has been pretty stable before. I’m using Kalk+2 from brightwell that’s supposed to contain mag. My Magnesium has dropped 100pts in a matter of weeks. I’m surprised of such a heavy drop. I used both salifert and Hanna magnesium test. Hanna showed 50 points higher at 1250 vs...
  10. Guiids

    How to drastically lower phosphate?

    Hello everyone! I hadn't checked my phosphate in a while and started growing large amounts of (hair?) algae, see video. I checked and it's sky high! A few qs: Where do we think this is coming from? I make my own RO water, could the filters be spent? I'm replacing today. How can I massively...
  11. M

    DIY Refractometer Calibration Fluid help

    New to Reef2Reef, I hope I’m doing this right! I am having salinity issues after being in the hobby for about a year now. My refractometer’s (new and old) are reading wonky. And I have calibrated with 35ppt solution from BRS and AccuraSea, different readings from Both and NOT 35 ppt. I am...
  12. R

    Chemistry behind calcium drop after overdosing kalkwasser

    So I just made the mistake of overdosing too much kalk slurry in one go and caused alk and [Ca] to drop a lot. Theres tonnes of other reefers who've posted about making the same mistake, and thanks to them and their advice I've been able to minimize the damage by dosing vinegar. However, one...
  13. CayoHueso

    Can you use Kalkwasser to lower PO4?

    Is Kalkwasser a tool available to use to lower phosphate levels? Further, do all 2 part Alk & Calc additives bind with, thus lowering, phosphates? After watching a Tidal Gardens video that mentioned using Kalkwasser as a way to lower phosphates, I came across some information and some older...
  14. CayoHueso

    What's the best product to dose when Alk is low, pH normal, Calc normal, Mag normal?

    What's the best product to dose to raise Alkalinity when your Alk is low, the pH is normal, Calc is normal and the Magnesium is normal? 20G IM Nuvo Fusion Pro 2 Temp: 80ºF Salinity: 1.026 SG Ph: 8.1 Alk: 6.2 dKH Nitrate: 13.8ppm Phosphate: 0.24ppm Calc: 442ppm Magnesium: 1540ppm (all checked...
  15. C

    Where are my phosphates going???

    The tank has always seemed to run low on phosphates. i started the tank last may (2023) and i have never been able to detect phosphates using the titration test kits so i bought a Hanna ULR phosphate tester and it normally shows .03. I had a round of Cyano and after a few weeks of no luck i...
  16. taylormaximus

    What things changed in your tank when you switched from tap water to RODI?

    Looking for personal experiences of reefers who started out using tap water in their system and then switched later to RODI. Curious what problems you had before that the RODI fixed, issues you had that were not fixed, or even changes you experienced with your parameters afterwards. For me...
  17. ellfe

    fishless cycle - am i doing this right?

    hi friends, wondering if i am doing this correct :) redsea 170 42g brightwell aquatics microbacteria start dr tim’s ammonium no filter or skimmer running i’m on day 4 of my fishless cycle, here’s what i have been doing(i realize i have been adding too much ammonia-oops): 15 capfuls of bacteria...
  18. Kerbash

    What is Reef Fusion Part 2 (Carbonate one) made from?

    Hello, Does anyone know what is the Reef fusion part 2 made from? Or how its made? It said its meq/L is 4400 thats wayyy more than the sodium carbonate solubility. I did manage to get close by boiling off the excess water, but it precipitated out of the solution slowly. Did they use the sodium...
  19. rongy

    First ICP Test

    Hi reefers, Just got result for my first ICP test, wondering if anyone can help read the result. I have a mix reef with sps and LPS, and I was using instant ocean reef crystal for almost a year, and recently switched to regular IC salt. Roughly 10% WC weekly, doses BRS two parts with Magnesium...
  20. taytay_1119

    HELP- Tank Crash

    Went on Christmas vacation (8 days had mom feed the fish/dose and watch it we just didn’t tell her about the water level bc we thought ato was not an issue) and when we got home the tank salinity was really high (not sure how high as we don’t have a refractometer just a basic one that goes up to...
  21. L

    Beginners troubles with chemistry and outbreak

    Hi reefers, I have a preowned REEFER XL425, I started it from very beginning 2 months ago. A week ago it got through cycling so I bought a pair of Nemos, 5 mixed frags, 3 shrimps a 4 snails. Everyone look great. Except the fact, that the chemistry is weird and now the massive green outbreak...
  22. H

    Parameter and Testing Advice Needed

    Good afternoon everyone! I have decided to take things seriously and as my LFS says, "Become a huge nerd". I made the decision to buy a Salifert bundle and have test kits for Phos, NO3, ALK, Mag, Cal, and pH. I have created a gameplan to test my tank's levels every day for two weeks straight...
  23. chemicals

    Extremely high Manganese

    Hi all, Just got my results back from ICP analysis and everythings was okayish besides a wayyyy to high manganese reading. I am not sure how, but my manganese readings are almost 10000% too high. I would think that it is a measuring error but they measure it in duplo. Can anyone tell me how...
  24. CABIX_81

    Due for parameter testing!! ??

    last parameters reading at 9-28-23. Salt water master kit: Nitrate- 0 Nitrite- 0.25 Ammonia- 0 PH- 8.0 Reef master kit: Nitrate- 0 Calcium- 22dkh / 440ppm Phosphate- 2.0 KH- 8dkh / 143.2ppm Am i due for my 3-5days water/reef testing?
  25. FishFilet

    High Ca without precipitation?

    Can you have too much calcium without precipitation?
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