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Berkay

First water change before diatom bloom ? Correct or not ?

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Hi again ! 

I setup my second Nano reef. About 8. Day of tank. I used 3 biodigest and a bioptim for 150 lt tank. 

But diatom didnt start yet ... ım waiting 😕 

there is a problem, that is tds 

i setup with 10 tds Ro water. Sfter i replaced silicat but after filled tank .. 

is that a big problem or not important ? 

So when i should star water changes ? 

Should i perform first water change ? Or wait till diatom ? 

Thank you 🙂 

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Have you introduced lights? Without lights, you will not have a diatom bloom.

 

The first water change should be changed when your biofilter cycle is complete. 

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I have a light but it is now on older tank. After diatom bloom i will put light on it. Because There is corals on first tank. Tomorrow i will add tunze protein skimmer. Im not sure but most likely i saw spots on rocks but little little. 

3/4 days after diatoms should i change water ? 

Someone starts water changes at the beginning. 

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45 minutes ago, Berkay said:

 After diatom bloom i will put light on it.

This is not how it works.  You need lights to have diatoms.

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4 hours ago, Daniel91 said:

Have you introduced lights? Without lights, you will not have a diatom bloom.

 

The first water change should be changed when your biofilter cycle is complete. 

That's not entirely true.

 

Diatoms are due to phosphates and silicates, they just aren't as noticeable with lights off but they are there.

 

 

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6 hours ago, Berkay said:

Hi again ! 

I setup my second Nano reef. About 8. Day of tank. I used 3 biodigest and a bioptim for 150 lt tank. 

But diatom didnt start yet ... ım waiting 😕 

there is a problem, that is tds 

i setup with 10 tds Ro water. Sfter i replaced silicat but after filled tank .. 

is that a big problem or not important ? 

So when i should star water changes ? 

Should i perform first water change ? Or wait till diatom ? 

Thank you 🙂 

Your first waterchange is done once your cycle is complete and the only way to know if a cycle is complete is by testing ammonia and nitrates throughout the cycle.

 

Diatoms have nothing to do with cycling a tank. You can buy new sand and add it and get diatoms in a 4 yr old tank.

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Ok thank you. Today i saw spots at the rocks. So diatom started. I hope in 7-8 days diatoms spreading will stop. After that i will perform my first water change. 

 

During period should i use onlu blue and Royal Blue at lightning ? 

White red or day light can cause to MOre diatom ? 

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On 9/22/2018 at 1:03 PM, Berkay said:

Ok thank you. Today i saw spots at the rocks. So diatom started. I hope in 7-8 days diatoms spreading will stop. After that i will perform my first water change. 

 

During period should i use onlu blue and Royal Blue at lightning ? 

White red or day light can cause to MOre diatom ? 

During cycling, no lights are needed. All it does is feed any existing algae.

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Okey so ? 

Thats nearly 10 th day of diatom. I will do %40 water change todar. 

Parameters 

nitrate : 6-7 ppm

ammonia:0 

nitrite 0 

with Salifert. 

After replacing a better heater ı will add some soft corals. 

On 9/26/2018 at 11:53 PM, Clown79 said:

During cycling, no lights are needed. All it does is feed any existing algae.

 

On 9/26/2018 at 11:51 PM, edgewater said:

I personally just used a normal light schedule when cycling. More feedback would be great tho!

 

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Don't sweat the Diatoms. There's a lot of information out there that will drive you crazy as it did me. They are not a part of the cycle in my opinion and some people don't even experience them. In my last tank they came and went as quickly as they came and I spent a lot of time googling, questioning and worrying about nothing for at least a week. Once I added my clean up crew (don't add these until you're done cycling) they demolished them quickly. Are you only 10 days into your cycling process? 

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I agree with @ReefGoat.  I did not use light for my cycle, and did have a few days of diatoms when I did turn the lights on.  But they went away fast. 

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10 hours ago, Berkay said:

Okey so ? 

Thats nearly 10 th day of diatom. I will do %40 water change todar. 

Parameters 

nitrate : 6-7 ppm

ammonia:0 

nitrite 0 

with Salifert. 

After replacing a better heater ı will add some soft corals. 

 

 

As we have all said before, diatoms have nothing to do with cycling.

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1 hour ago, Johnsamm said:

You can do your first water change right after your cycle ends you dint need to wait 

Post is over a month old, OP probably doesn't need the advice any more. :smilie:

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