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Lighting equipement lifespan
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Ric
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Joined: 13 Jun 2003

PostPosted: 2003.08.23(Sat)3:02    Post subject: Lighting equipement lifespan Reply with quote

Maybe this question been ask before but I couldn't find all my answer.

1. Florescent lamp - I saw some article recommend replace it after 25% usage (e.g. let say a florescent lamp life rate is 9000hr, it is better to replace it after ~2200hr), I am not too sure of how this calculation come out. Is the different visible to our eye for a 1/2 year old lamp compare to a new one?

2. Ballast - Should we change it together with the lamp or it can last longer? How lifespan different from a magnetic to an electronic one (2 type: Rapid Start and Instant Start)?

Thank you.

-Ric
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naclh2ofly
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Joined: 07 Jun 2003
Location: MD's Eastern Shore, USA

PostPosted: 2003.08.23(Sat)6:00    Post subject: Reply with quote

Ric,
As a general rule.....

NO(normal output) tubes are replaced 6~12 mos. One exception is the Triton which retains ~ 90% output til it burns out completely.

PCs are effective for 12~16 mos.

You cannot notice the difference in output from a new tube and an old one.

You only need to worry about this if you have a planted tank.

Ballasts are replaced once they fail...... electronic ballasts are the most effective.

Again this only applies to planted tanks.... in a fish only tank you really are not as concerned about light intensity.

Fred
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Ric
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Joined: 13 Jun 2003

PostPosted: 2003.08.27(Wed)5:50    Post subject: Reply with quote

Thanks Fred
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yhbae
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Joined: 03 Jul 2003

PostPosted: 2003.08.27(Wed)17:41    Post subject: Reply with quote

Should I be concerned if all I have are Java moss and Java ferns?
(They are supposed to require very little light...)
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PharCyde
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Joined: 06 Feb 2003
Location: Queensland

PostPosted: 2003.08.28(Thu)4:16    Post subject: Reply with quote

Java Fern and Java Moss can live in low light conditions, but they don't grow very fast in these conditions. CO2 injections and higher light will mean more growth, and Java ferns look nice all big n bushy (or ferny).

Remember that you may want to broaden your planting experience in the future, and then consider lighting upgrades.
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yhbae
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Joined: 03 Jul 2003

PostPosted: 2003.08.28(Thu)19:03    Post subject: Reply with quote

For now at least, my main interest is raising fish - I keep the plants because fishes like them so I picked the ones with the lowest maintenance... Very Happy Perhaps one day, I'll go for a seriously planted tank...
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