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Messages posted by: free_fiber
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Update:

Am cumparat 3 neoane Sylvania Grolux 8W si 1 neon Osram 954 tot de 8W.
Am modificat capacul acvariului astfel incat sa gazduiasca cele 4 neoane.
Fiecare neon are drosser-ul lui, acesta provenind de la cate un bec economic de 8W. Drosser-ele sunt montate tot in capac.
Conectica este facuta astfel incat sa aprind 2 sau 4 neoane.

Oricum, timp de o saptamana voi folosi doar 2 neoane (1x Sylvania Grolux + 1x Osram 954) si voi mentine cantitatea de fertilizare zilnica. Dupa o saptamana, daca lucrurile vor decurge normal voi aprinde toate neoanele si voi mari cantitatea de fertilizant. CO2 oricum este mai mult decat trebuie...
Exact asa am sa fac.
Comand acum 2 tuburi.
Mersi
Dupa ce am citit si mai in profunzime despre aceste tuburi mi-am raspuns singur la intrebare:

"The GroLux look dim because they are designed for plants, not people. Looking dim to people means less lumens because thats what lumens measure, but they do produce just as much light for plants."

"The CRI of a lamp is indicates how well the human eye will see the colors as compared to natural light(sunlight). The better the CRI, the truer you will see colors. Plants could care less about what you see. What is important to a plant is the absorption spectrum of the chlorophyll and a few other pigments. The colors that the human eye is most sensitive to, which are centered around the green part of the spectrum, are of little use to plants.
Also, the CRI really has no direct relationship to high lumens."

"The low-lumen GRO-LUX lamps are designed to not waste energy in the GREEN area, but to output mainly in the BLUE and RED areas, where lumens have less value, but exactly where the chlorophyll absorption range is."
Salut,

Doresc sa fac upgrade la sistemul de iluminare in scopul achizitionarii unor neoane speciale pentru plante.

Acvariu:
Nano, 25L

Iluminare:
2x Philips 865 8W / 400lm
Lumina este pornita 9 ore pe zi, fara pauza.

Flora:
Marsilea Hirsuta, Bacopa Amplexicaulis, Java Moss, Micranthemum Umbrosum, Cabomba Caroliniana, Hidrophila Corymbosa

Fauna:
6x Guppy

Info apa:
- PH: stabil la 6,5 - verificat zilnic
- KH: stabil la 7 - verificat zilnic
- Fac schimburi de apa saptamanal, ~30% din apa cu apa de la robinet lasata in prealabil la declorinat 2zile.

Fertilizare:
- acvariul are substrat fertil sub nisip
- fertilizare zilnica micro si macro
- CO2 - o bula/sec din bomba cu drojdie si zahar

Acum, as vrea sa cumpar un sistem de iluminare destinat special cresterii plantelor. Datorita dimensiunilor reduse ale capacului (40cm), am destul de putine optiuni. Am gasit pe un site de specialitate neon Sylvania Grolux T5 8W 30cm. Teama pe care o am este legata de puterea de iluminare, care este de doar 120lm / neon, conform specificatiilor producatorului. Din articolele pe care le-am mai citit am retinut ca este recomandat un raport de 30-40lm per litru pentru un acvariu bine iluminat. Asadar, teoretic mi-ar trebui 7 astfel de neoane, ceea ce suna aberant.

Ce recomandati?

Multumesc anticipat,
 
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