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Thread: 2ft light for planted tank

  1. #21
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    Re: 2ft light for planted tank

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    IMG-20160604-WA0009.jpg

    Pic attach of light with the extandable stand..
    Good fish ain't cheap... Cheap fish ain't gd...

    Breeding Apisto inca and Apisto guttata...

  2. #22
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    Re: 2ft light for planted tank

    Looks sturdy and tidy. The stand should be made of stainless steel right ?

    I see some lovely rocks there :P

  3. #23
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    Re: 2ft light for planted tank

    Yup its made of stainless steel... after knowing they sell it i cant resist and get one myself... it look way more nicer compare to the stand that comes with it...
    Good fish ain't cheap... Cheap fish ain't gd...

    Breeding Apisto inca and Apisto guttata...

  4. #24
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    Re: 2ft light for planted tank

    Quote Originally Posted by Urban Aquaria View Post
    I also went through the same analysis when deciding which series to get for my tanks too.

    At at the end i went for the A-Series as its listed at 160% the max. lumens comparared to the Aquasky, which allows for more flexibility in usage, while only consuming 3W more. A big part of the decision was also the price, especially when its costs is so much lower than the aquasky version (i ordered in all my units online from TaoBao). Those costs do add up when i have to buy a few sets for my tanks.

    The only disadvantage i could figure was just forgoing the ADA style acrylic design stand. I actually personally prefer the simpler minimalist aluminium bar design of the A-Series anyways, so it was a no-brainer for me.

    As for high light intensity possibly causing bad effects on fishes... it will depend alot on the types of fishes you keep. For those species which prefer dim environments, you'll just have to tune down the light intensity and/or add more plants which can provide shade for them. It's all a matter of how you setup the tank and choosing livestock which are suitable for your intended tank environment.
    So is the A series superior to the E series (or Aquasky)? I don't know which to purchase if I am going high-level planted tank. I want to have HC carpet in my nano tank and have been researching the two. It seems that the A series has more lumens but the E series uses higher power LEDs but actually has less LEDs?

  5. #25
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    Re: 2ft light for planted tank

    Quote Originally Posted by alphabeta View Post
    So is the A series superior to the E series (or Aquasky)? I don't know which to purchase if I am going high-level planted tank. I want to have HC carpet in my nano tank and have been researching the two. It seems that the A series has more lumens but the E series uses higher power LEDs but actually has less LEDs?
    I guess the question of which model is better will depend alot on your usage and requirements (and budget)... in general, lightsets with higher wattage LEDs usually generate better depth penetration, so in theory it seems the E-series with its 0.5W LEDs should be able to get more light down to the substrate level than compared to the 0.33W LEDs on the A-series.

    But if you are looking at tanks 2ft size or less, usually their heights are not that tall to make a difference (ie. 30cm-36cm, or lower), hence either wattage of LEDs are already more than sufficient for those heights. Many aquascapers have successfully grown most plants using lightsets with older LED lightsets models that have even lower wattage LEDs in such tanks anyways.

    Though if the tank height is much taller, like 45cm height, then there will be a more noticeable difference and the higher wattage LEDs will have an advantage. You might even end up looking at other brands which use more powerful 3W LEDs.

    The puzzling part here is the lumens output, i'm still not sure how Chihiros works out the lumens between the A-series and E-series, but the A-series is listed as generating alot more lumen output than the E-series, it a very significant difference. I have compared the brightness of both light models sitting side-by-side and the A-series does look noticeably brighter. Lumens output is brightness we see with our eyes, so it may not necessarily correlate to depth penetration, but as mentioned with the common heights of smaller tanks, depth penetration isn't as big an issue for those setups.

    So if we just base on lumens output to compare, then the A-series offers more than the E-series, at much lower price. The price difference and design also factors into purchasing decisions too. People are willing to pay alot more just for design, as thats an intangible premium.

    If you like the large ADA-copy acrylic stand design and prefer higher wattage LEDs, but don't mind lower lumens output, and have extra budget to spend, then go for the E-series. If you like the simpler slim stand design and are okay with lower wattage LEDs, but want higher lumens output, and want to spend less, then go for the A-series.
    :: Urban Aquaria ::
    www.urbanaquaria.com

  6. #26
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    Re: 2ft light for planted tank

    Below is a fairly good read.

    https://www.thcfarmer.com/community/...um-info.37783/

    Lumens are for Human, PAR are plants.

  7. #27
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    Re: 2ft light for planted tank

    Quote Originally Posted by Realcaster View Post
    Below is a fairly good read.

    https://www.thcfarmer.com/community/...um-info.37783/

    Lumens are for Human, PAR are plants.
    Yeah, it would be best if the manufacturer can release PAR info for the lights (somehow very few brands offer that info)... or if someone can do independent tests with a PAR meter. Then it will be much easier to compare actual effectiveness on paper.

    In the absence of those info, can only compare based on printed basic specs like color temp, LED wattage and quantity and lumens... and the plant growth experiences of existing users who use the lights.
    :: Urban Aquaria ::
    www.urbanaquaria.com

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