salinity

  1. B

    Minnesota Testing Dry Goods SOLD Neptune Apex System WiFI - Apex, Trident, DOS, energy bar, probes, and tons of extra trident test reagents $1000 shipped or buy individually

    SOLD Purchased in May of 2022 This Full Apex Trident DOS Package with Energy Bar and years worth of testing is perfect for aquarium enthusiasts. The package includes a Test Kit with parameters for alkalinity/KH, salinity, calcium, magnesium, temperature, ORP, and pH level, suitable for marine...
  2. His Coral Highness

    Hammer coral looking bad after water change

    So I did a water change but had a little mishap with my ATO staying siphoned on and adding too much freshwater to the system (about another 3 gallons to my 90-ish gallon system). I thought it wouldn’t be a really big deal if I just gave it a few days to evaporate out and get back to the correct...
  3. R

    Water change and salinity help

    Hi guys, I’m new to the forum and the hobby. I have two sons who are absolutely obsessed with corals and saltwater fish so finally decided to get one and once looking into the hobby I have fallen in love with it aswell! I just wanted to confirm the weekly water changes are done with salt...
  4. J

    Whats the salinity at your LFS?

    So i have never tested the salinity of the coral tanks at my lfs for over 10 years now thinking the corals will be kept at 1.025-1.026. I would sometimes just drop them in the tank pro problems. Sometimes drip for 30 mins. I know the fish are kept at a low salinity to save money on salt but i...
  5. LxHowler

    Should I trust hanna salinity checker

    So I just bought a Hanna salinity checker for my tank. A little reason why I bought the checker. I travel a lot for work and so a lot of the time I’m not home to look after the tank. My family do a good job of the basics and then I do the water changes when I’m home. Recently they needed to do a...
  6. vb_reefs

    Chasing Salinity

    Hello everyone, I really tried to figure this out before making this thread. I also read a few similar threads from other members with similar problems. But decided to make my own thread in the end (hopefully this is in the correct area). I apologize in advance for the long read. Tank is a...
  7. S

    Which salinity reading is more trustworthy?

    So I have been using the hanna digital salinity checker for my salinity readings for the past year or so and have consistently gotten a reading of 1.023 with an occasional jump to 1.024. I just bought a refractometer and tried it today and got a reading of 1.026. This is a day after getting a...
  8. Daved4

    What is the lowest salinity you've had in your reef tank?

    Hey everyone. I'm curious to see what anyone has to say about the lowest they've seen their salinity in their tank with corals still thriving? I recently realized my tank was running at 1.020 for quite a long period of time. Verified by 2 separate digital Milwaukee checkers. I've since brought...
  9. Kelly Hutto

    Mississippi Testing Dry Goods Hanna Testers

    Selling everything pictured for $140 add $20 for shipping for a faster response text me at (251) 599-8227
  10. J

    Alkalinity problem

    Hello everyone!! Is it possible to lower alkalinity and raise salinity with Red Sea coral pro that’s known for high ALK. I just bought the bucket and I'm trying to use it all lol before switching. I’m trying to raise my salinity for my torches because I think that might be the problems to why...
  11. Cole_Voeller

    Refractometer Issue

    Hello all, Weird question. So basically, I’ve always used a bottle of Fritz Refractometer fluid to calibrate my refractometer. I had a bottle of BRS fluid, and also just got another brand new one. Well today I tried all of them, to find there was a difference of 5ppt between the Fritz and a BRS...
  12. Djtonton

    Ohio Testing Dry Goods BRAND NEW: Neptune Systems Lab Grade Conductivity/Salinity Probe + Fluids

    I have a Neptune Systems Lab Grade Conductivity/Salinity Probe with 3 calibration fluids. Brand new has not been used or taken out of the box. Can ship out as soon as payment is made. Any questions please let me know!
  13. th365thli

    Shipped fish salinity mismatch. Ramp up time?

    So I received some fish online. This vendor ships their fish low, around 1.18-1.19 is advertised. I tested the bag water and it was 1.16-1.17. No biggie, adjusted my 10 gallon acclimation tank and after a 30 minute temperature acclimation and dumped just the fish in. Longnose butterfly and...
  14. J

    Calibration Confusion, What’s Going On?

    So I just purchased the new Hanna Marine Monitor that has a PH probe and a Salinity/Temp probe. The unit continuously displays the above and uses temp to accurately calculate it’s readings. I hooked the unit up and followed the instructions on how to use the included 7.1 ph solution satchets and...
    • JCas06
    • Thread
    • alkalinity alkalinity probe calibration calibration solution hanna alkalinity checker hanna marine monitor refractometer salinity salinity probe salinity solution
    • Replies: 4
    • Forum: Reef Chemistry by Randy Holmes-Farley
  15. dirty_south87

    Salinity

    What you suggest for a good salinity level? Mine is around 1.025 at the moment
  16. H

    Neptune Conductivity (Salinity) Probe help

    Hi all, I hope youre keeping well. I'm wondering if anyone may be able to help me! So my Neptune salinity Probe consistently reads VERY high (40-60ppt!). Tank is at 35ppt verified by 2 hanna salinity testers a refractometer and a hydrometer. I understand that the neptune probe is conductivity...
  17. Tobin VP

    Salinity Change Results in Slow Response to Conductivity Change

    I conducted a 50% water change a week ago in my Coral & Invertebrate Quarantine Tank (10 gal Fiji Cube). I have a Neptune Apex in this tank. My salinity prior to the change was 33.75 ppt. I intended to raise it to 34.5 ppt with the change. The water change took approximately 30 minutes and...
  18. JGTPA

    Refractometer Calibration

    I've been calibrating my refractometer with RODI for the past 2 years. I now know that it's best to calibrate with calibration solution. I want to switch to calibrating with the solution with my next water change, but the problem that I ran into is when I calibrate using the solution my tanks...
    • JGTPA
    • Thread
    • hydrometer refractometer salinity salinity help salt level water change help
    • Replies: 2
    • Forum: Reef Aquarium Discussion
  19. T

    NaOH vs NaCO2 in Balling - which raises salinity more?

    Hello, I wonder if using Balling with NaOH as the only/main source of kH increases the water's salinity by the same amount as NaCO2 or NaHCO₃. I guess @Randy Holmes-Farley will be the best to answer :)
  20. T

    Salinity level's influence on tanks microbiome

    Hey there, Somewhere I read that salinity level has an influence on the microbiome. It said that higher levels (above 1.025) limit advantageous bacteria's diversity/ability to reproduce and remain active. There's surely something about it, as one of the best aquarium bacterias product - Microbe...
  21. Sailaway

    Salinity- is this accurate?

    Just added saltwater to my tank, from my LFS. I’m very new to this and bought this fluval hydrometer. Don’t know if it’s accurate or not, just figured I’d start with this and upgrade later. I’m not sure if this is accurate though. Is this hydrometer not worth a lick? I followed directions and...
  22. C

    Aquarium Controller Testing Dry Goods Brand New GHL Profilix 4e Starter Set (White)

    Brand new in box, sealed. Asking 600. Will consider trades for new or lightly used G5/G6 XR 15 with Mount + some cash.
  23. Measuring Salinity / Specific Gravity in Aquariums

    Measuring Salinity / Specific Gravity in Aquariums

    Salinity Measurements for Marine Aquariums @Jay Hemdal Introduction The fundamental difference between freshwater and marine aquariums is of course, their respective salt content. The salt level is usually reported as either salinity (parts per thousand of salt in water) or specific gravity...
  24. reefsaver

    Real-time Salinity Monitor?

    I was wondering if there was any Salinity testing equipment that actively reads Salinity in real-time, I use the Hanna Salinity Checker which I really enjoy but sometimes I get the feeling that it's not as accurate as a Refractometer.
  25. Drneil

    Low Sodium due to HCl from Alk monitor?

    I've now had a second ICP returned indicating low sodium and hence low PSU, latest 29.30PSU! Last ICP was 30.70, which ended up scrabbling with multiple refractometers and calibration fuilds making me happy my tank was at 35ppt. Mg and K are at the low end, but Ca is normal. These are were I...
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