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Saltwater L.E.D.s
Posted on: Ystrday 14:18
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From: Wiltshire
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Can Anyone offer any advice on the best LEDs for a 28 inch Depth of water I am planning on having fish and soft Corals
Thanks in advance



Re: Fluval 305
Posted on: 13/12/2017 11:30
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From: Worcestershire
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That should be fine



Re: Fluval U2 Filter
Posted on: 13/12/2017 11:29
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From: Worcestershire
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It's fine as long as the flow is OK



Re: Once again fish tank cycling
Posted on: 13/12/2017 11:28
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You need to do a big change to reduce nitrate before adding fish. That can be at the end of the cycle, or if nitrates rise to 100ppm do a change then as well as at the end as high levels can slow the process.



Fluval 305
Posted on: 13/12/2017 10:07
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From: West Sussex
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Another filter question

Many people have different ideas with the order and placment of the filter media in the fluval 305.

I have (intake to output)

2 long (white) coarse sponges
2 long (white) not as course sponges

2 black fluval bio foam sponge (bottom basket both sides)
Ceramic rings in both the middle baskets (half filled buying more to top up)
Top basket empty (now) buying bio balls (plastic version) or another set of sponges (any advice) (thanks fishlady for advice already given)

Is this the correct order as it is working for me

Many thanks



Re: Fluval U2 Filter
Posted on: 13/12/2017 9:47
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From: West Sussex
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I have removed the carbon pads in the u2 filter and the water flow is so much better going to order some new sponge pads for it now does it matter if the sponge is more tightly packed as long as water flows through it as i finding it hard to get 7mm thick sponge.



Re: Once again fish tank cycling
Posted on: 13/12/2017 9:44
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From: West Sussex
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Hi

Just another update

When i come down in the morning the ammonia levels are at zero so i have been adding 1.5ml of ammonia (been like this for 2 days now) Nitrite levels and about 0.6 and nitrate looks around 50ppm so all is looking good.

Should i do a water change now to reduce the nitrate or wait for the nitrite levels to fall to zero?

I know it says for a fishless cycle using fish flakes to do a massive water change to get rid of any remaining food and get rid of nitrates but do you need to do a big water change when only using ammonia?

many thanks



UV clarifier recommendation
Posted on: 12/12/2017 20:49
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From: Powys
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I have a new 16000 litre pond which I have recently renovated and filled. It already has a bio filter but the uv is broken and will need replacing. I think 36W would be sensible as I intend to keep fish possibly Koi. What brands would the forum recommend.



Re: Once again fish tank cycling
Posted on: 11/12/2017 10:24
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Your theory about what's happening is correct - when a cycle has stalled part way through it can all happen in the wrong order when it gets going again. Hopefully you don't have much longer to wait now



Re: Once again fish tank cycling
Posted on: 11/12/2017 9:38
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Hi thanks for the advice fishlady the tank seems to be getting there apart from it's slightly the wrong way round.
I have been adding ammonia to keep the levels up around 3ppm this morning i saw the biggest drop from around 3ish to 0.6ish ppm (color charts not too accurate) so i added a bit more ammonia (1ml) levels back up to around 3ppm.
I tested for nitrite and came back 0.3 so theres me thinking the cycle has just started so just to check i tested for nitrate and the levels are soaring about 50ppm.
Could the cycle be almost complete as from my previous effort the bacteria that converts nitrite into nitrate be present The nitrite spike must have already happened) and i just killed off the ammonia bacteria having the temperature too high.

So just waiting till tomorrow to see what levels the ammonia is at




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