where/what to buy?

mfcphil

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Replacing my Juwel tank and setting up a new 4ft tank....it has a large hood with room for lights. I read James C useful post on the cheap bulbs but what ballast or starter units should I buy and where from

I have always used the juwel light units so am a little puzzled Please advise :crazy:
 
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mfcphil said:
Replacing my Juwel tank and setting up a new 4ft tank....it has a large hood with room for lights. I read James C useful post on the cheap bulbs but what ballast or starter units should I buy and where from

I have always used the juwel light units so am a little puzzled Please advise :crazy:
Review the tubes you wish to purchase and buy the appropiate ballast and end caps to suit your tubes:
http://www.lampspecs.co.uk/Light-Fittin ... ansformers
http://www.lampspecs.co.uk/Light-Fittin ... and-Spares

Regards
paul.
 
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mfcphil said:
Ok sorry for sounding stupid but if I am buying 2 t5 bulbs for example

Osram Lumilux 880 Skywhite + Osram Lumilux 840

I just need 1 standard T5 but which one? http://www.lampspecs.co.uk/Light-Fittings/T5-Standard-Ballasts

And sorry for sounding dim again but how many end caps do I need?
Is it one for each bulb or one for each end?

http://www.lampspecs.co.uk/Light-Fittings/Lamp-Holders/LH-T5-IP64

Many Thanks
Good question my mate - I was thinking this after I posted the reply / out the our Robbie on his walk.

http://www.lampspecs.co.uk/Light-Fittin ... 8Ta38Lbx50
is a single electronic ballast suitable for T5 tubes rated at 14,21,28 & 35 watt.

http://www.lampspecs.co.uk/Light-Fittin ... 8Ta38Lbx50
as above decription T5 tube rated at 24 & 39 watt

i have just broke the product coding:

HFP114-35, HFP1 = 1 x T5 tube - 14-35 is the range of tubes the ballast will start up - 14, 21,28,35 watts
HFP124-39, HFP1 = 1 x T5 tube - 24-39 is the range of tubes the ballast will start up - 24 or 39 watts
HFP149, HFP1 = 1 x T5 tube - 49 is the only tube the ballast will start up - 49 watts
HFP154, HFP1 = 1 x T5 tube - 54 is the only tube the ballast will start up - 54 watts
HFP180, HFP1 = 1 x T5 tube - 80 is the only tube the ballast will start up - 80 watts

Now the HFP2 work on the same coding but the 2 stands for 2 tubes so
HFP214-35, HFP2 = 2 x T5 tube - 14-35 is the range of the tubes the ballast will start up - 14, 21,28,35 watts
HFP224-39, HFP2 = 2 x T5 tube - 24-39 is the range of the tubes the ballast will start up - 24 or 39 watts
and so for the rest of the HFP2 ballasts same principle as the 49,54 and 80 watt tubes

and the
HFP314, HFP3 = 3 X T5 tube - 14 is the only tube that this ballast will start up - 14 watt.

So you want to run two T5 tube so you need HFP2 - the rest I dont know as you have not informed me of the tube wattage required.

As for lens caps - yes you do need two caps for each tube to complete the electrical circuit - so you need 4 x caps for your two tubes.

Hope this helps
Regards
paul.
 

mfcphil

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So the next question is pretty important then.

For a 4ft tank that is 21" in height and is 240 litres what bulb wattage do you all recommend I use for the Osram Lumilux 880 Skywhite + Osram Lumilux 840.

and should I 4ft bulbs or 3ft to be on the safe side
 
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mfcphil said:
So the next question is pretty important then.

For a 4ft tank that is 21" in height and is 240 litres what bulb wattage do you all recommend I use for the Osram Lumilux 880 Skywhite + Osram Lumilux 840.

and should I 4ft bulbs or 3ft to be on the safe side
Phil

Your tank is 48" long, your hood will be slightly longer - lets say 49" and that being generous, fitting a 48" tube + the end cap may not fit into the 49" (generous) hood.

T5 tube are measured in mm not inches where T8 are in inches.

Now your tank is approx. 1223mm long - 54watt T5 tubes are 1149mm long without electrical endcap
http://www.lampspecs.co.uk/Light-Bulbs- ... am-54-Watt
- thus giving you 74mm space within your hood. Now the 74mm must be divide by 2 = 37mm which will give you the approx space for your electrical endcap, of coarse if you can fit 39 watt T5 tubes which are 849mm long without the electrical endcap http://www.lampspecs.co.uk/Light-Bulbs- ... am-39-Watt fitting these tubes would give you more room within your hood - its up to you what tubes you fit. What I would do is get a big piece of paper or cardboard and phyisically draw on the cardboard "what" it would like with the different length tubes fitted and see how much room you have to play with.

Regards
Paul.
 

jolt100

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bury,lancs
I bought GLO twin T5 54w units which come complete with moulded endcaps. The lamps fit inside the glass of my 4foot with 2cm to spare, Internal glass is 1200cm and lamp+endcaps is 1180cm. If you are fitting in a hood you should have plenty of room but if you are going to buy separate endcaps make sure they arent too wide :D

regards
John
 
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