水草情迷

小弟二天前因家中的

I will turn it off for 24 hours after water change or washing of filter in order not to kill the good bacteria growing again.

是呀, UV殺菌燈是浮游藻的殺手, 錦鯉池都用佢, 水清見底.
不過對附著性的藻類, 就不太有效了.

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我的水族相簿

我問過一些魚街的朋友,有些人說落肥和 PSB 時一定要關 UV 燈,但另一些人就說不需要,真是頭痕呀!

成該是要關UV 燈先落PSB, 肥就成該不用. 因為PSB都是菌一種.

仲係一隻生菌~

小弟的uv燈是24小時長開，每日落肥和 PSB都照開，水質當然清到透．
依小弟心得－－放心開，無問題－－

當落PSB時關濾水同UV半個鐘..而且仲要開住燈添!
由於PSB係一種生菌,而D種生菌主要係淨化底床.... 所以開UV係會殺死D益菌....
不過有一個方法...就係張UV接去濾桶....當濾桶關掉....水流就唔會經過UV.....然而D 益菌就唔會比UV所殺!

P.S : UV 殺菌燈O係以前D POST都有講到. 可以利用SEARCH ENGINE SEARCH -- "UV" Thank You!

說漏了一點，當UV燈每次開關，都會令UV燈壽命減短的，D銀紙就走吓一D，走吓又一D.－－小心．小心－－

一支UV 燈O黎講....最好一至兩年更換一次! 因為UV 燈O既光度會隨日子而減弱

我總覺得經常開關濾桶及UV燈，對器材本身始終不太好？

I have one installed, I only use it when needed, such as as precaution to bacteria bloom or sickness. UV will RAPIDLY oxidize metal in water, making it unavailable to plants, therefore, its recommended (NOT my experience, I read that from book, and other sources) to increase trace element dosage by at least 1/3 while UV is active. Also, remember to turn it off for medication.

I think, we can conclude that UV can help healing a sick planted tank, such as those being attacked by bacteria bloom, algae bloom, but UV will not do anything good, if nothing worse, to a healthy planted tank. Personally, my UV light has been on only for 50 hours in over 1 year's time.

I strongly recommend while use UV to fight the problem, one must not depend on the UV, but instead, locate and solve the problem is the ONLY way to have a properly managed planted tank.