水草情迷

有聽說矮珍珠日照時間最好在8~10小時比較好,我也是參照此做法,矮珍珠不會長高

我每日光照6.5hrs from 18:00-00:30
係咪唔跟佢地既生理時鐘係唔得呢?? 咁其他水草又可以呢 ?

Just 推測............
1. 6.5 hrs each day, too short ?
2. 39.5" tank.........2 HQI........too hot?

after calculation:
長39.5吋 , 闊15.5吋 , 高25.5吋 tank
=10 x 4 x 6 (減去泥及缸頂)=240L
for 50Lumen each "L", the tank needs 12000Lumen

Each 150W HQI can produce (150 x 75)Lumen=11250 Lumen, so, if 2 150W, almost double the required amount......

However, I have a question............how much of the total light produced by HQI can enter the tank.......I think 100% is impossible.........my be 80% or 70%??? who knows?

Another point, in my memory, some posts very very long time ago state..............yellow light and blue light have different effect on plants.......if I dont remember wrong, yellow light makes plants tall and thin while blue light makes plants short and fat.............however, again I am not sure the actually effect....

我發覺溫度太高,如長期保持在30度以上,矮珍珠都會係咁生高喎.

no
i use a big fan and the temperature is 27-29

有~D水草要求强光有~D小 有~D好有個性有~D冇所為

o...可能真係太高溫啦, 我個tank成日keep住30度

I don't think so, I also make a tank for my boss. He's living in Hotel style apartment. The central AC always open. The temp always remain at 25C. But the 水x店矮珍珠 still grow up. I suppose this is relate to the issue of light.

而家我學緊你的做法, 在側面加多一枝9w PL (補充光源), 睇下會唔會好d, 如果ok的話, 咁即是唔夠光.

tse, 貼幅圖上來大家硏究硏究, 了解下點解矮珍珠變了高珍珠?

sorry
don't have DC