HW-Marinemix Reefer Salt Mix 160 Gallons - HW Wiegandt

hw-Marinemix Reefer Salt Mix
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HW-Marinemix Reefer Salt Mix 160 Gallons - HW Wiegandt

97% Recommend this to a friend (76 of 78)

SKU: 208270
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Quick Overview

Why does BRS recommend this?

We have been using HW salt in our office tanks for a while with great success.  The salt is very consistent and mixes quickly and clean.  With no unnecessary added chemicals that most salt mixes add to appear clean, HW has passed the test, and standards that many public aquariums and high end displays require in a salt mix.

hw-Marinemix Reefer Salt Mix is a high purity blend of salt mix produced using a synthetic process and does not contain any recycled components. Created specifically for the reef aquarium and the constant demand for minerals, trace elements, amino acids and biocatalysts. Provides enhanced calcium and magnesium concentrations for vigorous growth of corals.

  • One of the first synthetic salt mixes ever produced

  • No anti-caking agents

  • No chemical or environmental pollutants, no nitrates, phosphates or silicates

  • Natural, stable pH and optimal alkalinity

  • Contains no EDTA which can chelate many necessary trace elements

  • Optimized with amino acids and organically stabilized iodine - great for the reef hobbyist

  • Makes approx. 160 Gallons of solution at 1.024 salinity


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Product Questions

the details of this salt state that

BRS recommends using a complete salt mix, to save money and time on testing supplies and major element adjustments. Upon BRS analysis - hw-Marinemix Reefer contained Calcium at 445-450 ppm, Alk of 9.0 dKH, Magnesium at 1380 ppm.

at what salinity was this tested at?
Question by: scott fernandez on Aug 8, 2015 10:30:00 PM
Great question, this was tested at 1.026 SG or 35 PPT. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Aug 10, 2015 4:41:00 PM

Full Details

hw-Marinemix Reefer Salt Mix is highly used for reef hobbyists across Europe. hw-Wiegandt has been producing aquarium salt for over 50 years experience producing salt mix, boasting its professional use in public aquariums, universities and research facilities since 1968.

hw-Marinemix is produced under strict quality control guidelines using a biocatalyst system based on the analysis of natural seawater.

BRS recommends using a complete salt mix, to save money and time on testing supplies and major element adjustments. Upon BRS analysis - hw-Marinemix Reefer contained Calcium at 445-450 ppm, Alk of 9.0 dKH, Magnesium at 1380 ppm.

20 Kg box



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  • Salt mix By Joep on 4/30/2016

    I used so many different salt mixes, right now I like this for a few reasons it does not have a sticky feeling, no phosphates or nitrate issues, the only done side is I tend to have to use more salt mix.
  • Best salt I've ever used By David on 4/25/2016

    I've used just about every salt available to hobbiest & this is by far the best I've ever used!
  • Nice Salt By Edward on 3/31/2016

    As almost everyone has said there is zero residue in the mix container. The directions on the box are lacking, so for those of you who mix salt by weight I have found that 147 grams per gallon of water gets you to 1.025 SG.
  • Using On BRS Recommendation By KerryF on 3/29/2016

    I noticed ORP and Alk values were a bit lower when switching to this salt. Fish, inverts and corals love it tho.
  • Mixes fast and clean By John on 3/19/2016

    I switched from Reef Crystals because I always got brown residue in my mix bucket. This mixes fast and clean with no residue. Worth the extra money.
  • Worth the extra money By Cave Man on 3/16/2016

    This salt is the best way to help maintain perfect water parameters for the reef. Using regular water changes with a lightly to med stocked system will keep your trace elements in order. The pricing is not too much more then the cheap stuff. Why not give your tank the best chance it has to flourish?
  • Ammonia in the salt mix By Maggie on 3/15/2016

    I wishes there is option for 0 or negative star rating. Can you believe HW reefer salt mix carries ammonia? My tank is running more than half year. I recently switched my salt mix from red sea coral pro to HW reefer, my livestock started to perform weird, so I did 10G water change, my 60G tank was not getting better, so i did another 10G water change next day, and keep continually to change water 10G for the third day. The more water changed, the worse situation I finally got, then I realized to test my salt mix, it has 0.2 ammonia, then I tested RODI water, it read 0. No overfeeding, no livestock died, no overstocking (just 4 fishes and 3 cleaners) before switching salt mix. I can't find out any reason could break out my system. Even though BRS switched red sea coral pro back to me, but my tank has to go through another cycle again, many corals died during this moment.
  • Excellent product By Aaron L on 3/15/2016

    Just switched from reef crystals and like this product much better. It mixes quicker and cleaner with no residue left in my mixing container. The parameters are much more in line with my tank mixing at 1.026. Alk is around 9 and calcium around 430. Will keep using this salt.
  • Cleanest salt on the market By John on 3/7/2016

    I was using instant ocean but was unhappy with the way it didn't mix completely clear.There was always a tiny gray haze,all I can say is that none of that happens with this salt.
  • Best Salt By Lukas on 2/1/2016

    I've noted nothing but good things with this salt (cost aside). My corals have all perked up. Especially when combined with dosing biotip and nanotip. Mixes clear and quickly.

    On a side note coming from using Red Sea's Coral Pro Salt to this, there's a little difference in the mixing. With little available from the manufacturer in terms of mixing instructions I did have to toss a batch of saltwater. Redsea they state to mix on the colder side to avoid precipitation. I found this salt to have the opposite issue. When mixed cold I had significant precipitation when I warmed it up. But when mixed into 78 degree water I have no preciptates at all.
  • Much better than reef crystals By Mark on 1/20/2016

    I was using reef crystals for almost a year when I set up my first tank. Once I got a better handle on keeping the big three parameters where I wanted them I found I was having to dose a ton of calcium and magnesium to my make up water. With this I don't have to add anything. The second box I just received tested at higher calcium and magnesium than the first box. The last batch I mixed tested: Ca - 450, Alk - 9.5, Mag - 1400
  • best salt out there By james on 1/1/2016

    there is not a salt that mixes as fast or leaves zero residue when mixed in container for water changes.

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