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Old 17-01-2005, 09:23 PM   #61
sherman
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Bro,
Never flicker leh.Just try.
Maybe weekend free dismantle and see

Regards
Sherman
Quote:
Originally Posted by BarraCuda™
If I'm not wrong .. its magnetic ballast. If it flickers when you switch on .. its a magnetic ballast. Those that bought the lights pls verify this.
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Old 17-01-2005, 09:25 PM   #62
BarraCuda™
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Quote:
Originally Posted by sherman
Bro,
Never flicker leh.Just try.
Maybe weekend free dismantle and see

Regards
Sherman
that would solve the mystery
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Old 17-01-2005, 09:26 PM   #63
nitro
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Default t5HO

The weight of the fixture and the heat produced is also a tell-tale sign of magnetic ballast..


Anyway for that kind of price, i think it's still a good buy
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Old 17-01-2005, 09:51 PM   #64
cukcuk
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Mine does flickers a little before the lights are ON.

But now my blue switch doesn't function, don't know whether it's the tube burnt / switch problem
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Old 17-01-2005, 10:34 PM   #65
nim75sg
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Definitely it is not using a magnetic ballast as it doesn't flickers ...

Cukcuk ... It seems that this is a common problem with the new batch as it happened to my 3ft fixture too.

Confirmed with AquaMarin that can get a one-to-one replacement with the new stock this week as the manufacturer has corrected the problem.

Just produce the receipt and no questions asked .
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Old 18-01-2005, 03:35 PM   #66
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FA,

In our case, since we change our tubes on a yearly (average) basis, it doesn't really matter. T5s were designed to last a lot longer than that more like 2 years. These are usually used in offices or factories in Europe, and are not changed until the tubes burn out. That's why they need the longer lifespan. And that's why even cheaper ballasts like the Elbirus should be fine for us.

Quote:
Originally Posted by flame angel
Can those who used it verify this? A really good ballast would have a warm start when the light is being switch on, in this way the lamp life span will be longer & protect the tube from being blown off.
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Old 19-01-2005, 05:29 AM   #67
crabeye
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Default T5 for acro?

]

Don't think T5 - even 4 tubes are sufficient enough for my acro, right?
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Old 19-01-2005, 07:54 AM   #68
sherman
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Someone is successful with 8 tubes.

Regards
Sherman
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Old 19-01-2005, 08:38 AM   #69
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Quote:
Originally Posted by nim75sg
Definitely it is not using a magnetic ballast as it doesn't flickers ...

Cukcuk ... It seems that this is a common problem with the new batch as it happened to my 3ft fixture too.

Confirmed with AquaMarin that can get a one-to-one replacement with the new stock this week as the manufacturer has corrected the problem.

Just produce the receipt and no questions asked .
Okay... thanks alot, will call them when i have time.
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Old 19-01-2005, 08:39 PM   #70
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Quote:
Originally Posted by deep_end
FA,

In our case, since we change our tubes on a yearly (average) basis, it doesn't really matter. T5s were designed to last a lot longer than that more like 2 years. These are usually used in offices or factories in Europe, and are not changed until the tubes burn out. That's why they need the longer lifespan. And that's why even cheaper ballasts like the Elbirus should be fine for us.
The warm start of a good ballast actually slowly increase the intensity of the light, which will not shock ur animals out of the sudden with strong intensity of light. This is the same as
some of the reefers who on the blue light 1st, before a large quantities of lights r being introduced. IMO a good ballast will fare so much better than a cheap one,
we know that all lightings suffer spectral shift over time, if a cheap set of ballast were used would the lamp suffer the spectral shift even faster than a year time or maybe half a yr?
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