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Old 07-15-2018, 06:48 PM   #1
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Ro/di water?

So we have a six stage ro/di system. The water comes out about 0 to 3 TDS . My question is what do people use to remineralize their water to bring up proper kh and gh. We have a whole gammet of fish setups from angels, snails, shrimp, guppies, puffers, loaches, coreys and all tanks are planted except the hospital tank.
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Old 07-15-2018, 07:00 PM   #2
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I mix my ro with my tap to reach target TDS #.
I don't run my DI for freshwater as it is quickly used up and pretty expensive.
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Old 07-15-2018, 07:20 PM   #3
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Yeah I'm just starting to realize that but my water is so terrible I'm not sure how to get the water i want. My TDS out of tap is 540 to 590 depending on the day. They use chloramine in the water. Without the di resin my water still has ammonia readings. That's why I added a mixed bed di resin cartridge.
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Old 07-16-2018, 10:48 AM   #4
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Hello 77...

Feeding your fish a balanced diet of flakes, freeze dried and frozen foods should replenish the minerals just fine. I keep no water change tanks and as long as I feed my fish foods that contain minerals, they replenish the tank minerals through their dissolving waste material. I top off the tanks with distilled water, so there's never a problem with a build up of minerals in the tank water.

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Old 07-16-2018, 10:53 AM   #5
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Over the counter:
Seachem Equilibrium.
Salty Shrimp.

For gH:
CaSO4
MgSO4
KH2SO4

For kH:
NaHCO3
CaCO3

For a calculator to figure out how much / how many degrees:
https://rotalabutterfly.com/nutrient-calculator.php


Hope this helps.

I personally mix 5:1 RO:Hard Tap Water. This gives me a kH of 4-5 and a gH of 5-6. I then boost gH another 2 degrees (resulting in 7-9 degrees) using CaSO4 and MgSO4 to ensure my plants are getting enough Ca and Mg.
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Old 07-16-2018, 12:03 PM   #6
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Cool, I was just reading info about seachem equilibrium,an salty shrimp. I guess i got some more reading to do about the other.Thanks for info.
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Old 07-16-2018, 04:42 PM   #7
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Quote:
Originally Posted by 77speedyturtle View Post
Yeah I'm just starting to realize that but my water is so terrible I'm not sure how to get the water i want. My TDS out of tap is 540 to 590 depending on the day. They use chloramine in the water. Without the di resin my water still has ammonia readings. That's why I added a mixed bed di resin cartridge.


My water is the same. Generally closer to 600 tds. I use baking soda, calcium chloride, and epsom salt. I change softer tanks first starting with about 30 gallons of water and 2 teaspoons of baking soda. I stay 2-1 on calcium and magnesium. So, if I am looking for 100tds that is where I start. If I want more, like 200, then I add calcium and magnesium.

The only time I use my tap in a softer tank is if I need water quick and I use tap to warm up my Ro quicker. I add gallon at a time to get temp and hardness right
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Old 07-17-2018, 03:54 PM   #8
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Hey,mbkemp,thanks for the info. So you use di resin? What kind do you use? If you do how much water can you produce with each cartridge? Is there a way to get rid of ammonia an chloramine with out using resin? Thanks again for your input����
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Old 07-20-2018, 11:28 PM   #9
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Sorry, just saw this. I do use di. I donít know how many gallons at this point. I started with this system in April. I use 40-60 gallons of Ro/di water each week. Chlorine will gas out with a little bit of time. Chloramine, not so much. I still use a little bit of prime, just because it makes me feel better
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