Thaum tuav ntses nyob hauv ib thoob dej yug ntses, koj tuaj yeem ntsib ib qho teeb meem xws li cov ntxhuav oob khab. Ntsuab algae, uas lub ntsiab lus piav qhia, parasitize rau ntawm nplooj ntawm cov nroj tsuag loj hlob nyob rau hauv lub thoob dej yug ntses, entangling lawv nrog lawv tus kheej threads.
Txhua leej txhua tus paub hais tias yog muaj kev hloov hauv thaj chaw ntawm lub cev, muaj kev hem thawj ntawm nws lub neej. Nyob rau lub sij hawm no, lwm yam kab mob, uas zoo nyob rau hauv no ib puag ncig, pib tawm qhov xub thawj. Yog hais tias muaj xov hauv koj cov thoob dej yug ntses, txoj kev yuav ua li cas tiv thaiv nws yuav tsis muab cov txiaj ntsim kom tau kom txog thaum koj tshem tawm qhov ua rau nws zoo li.
Txoj kev ntawm kev tawm tsam
Algae filamentous yuav tsum tshwm nyob rau hauv lub cev dej nyob rau hauv muaj cov ntsiab lus ntawm dej-soluble compounds ntawm nitrogen thiab phosphorus. Yog li, thawj zaug ntawm txhua yam koj yuav tsum tau them sai sai rau lim haujlwm thiab teeb pom kev zoo. Lub teeb xiav, uas nyiam qhov kev loj hlob ntawm cov ntsiab lus, yuav tsum muab tshem tawm thiab hloov nrog ib tug mos muag. Txaus siab ntawm ammonia tebchaw tshwm sim ob qho tib si nrog ib lim tsis muaj zog, thiab nrog ntau ntses nrog tsis txaus tus naj npawb ntawm cov nroj tsuag. Floating nroj tsuag thiab xws li hais tias loj hlob sai (hygrophilia, vallisnerii) oppress filamentous algae, noj deb lawv cov zaub mov. Ntawm qhov tseem ceeb tshaj plaws yog qhov concentration ntawm hlau nyob hauv cov thoob dej yug ntses. Nws yuav tsum tsis pub tshaj qhov tso cai ntawm 0.2 mg / l.
Extraction ntawm algae los ntawm cov thoob dej yug ntses los ntawm txhais tes, piv txwv li thaum nyob Spirogyroi, yog yuav luag tsuas yog txoj kev tawm tsam. Nws yog ib qho tseem ceeb heev kom ntxuav cov nroj tsuag ntawm cov ntsiab lus thiab ntxuav lawv, thiab CO2 yuav tsum tau pub rau hauv cov thoob dej yug ntses nkaus xwb nyob rau nruab hnub. Rau tag nrho cov kev ua ub no, ntau tus pom zoo kom tsaus ntuj lub thoob dej yug ntses rau peb hnub.
Qee zaum, kev siv cov algaecides, xws li Saidex, muaj glutaraldehyde, zoo heev. Hydrogen peroxide nyob rau hauv ib qho nyiaj ntawm 6 mus rau 10 mg / L thiab ib tug filament kuj tsis sib luag.
Tsis txhob neglect thiab kev lom neeg ntawm kev tua cov kab mob algae. Leej twg noj nitchatka, yog li nws yog catfish , gastromises, viviparous fishes ntawm pecilia thiab molliesia , raws li tau zoo raws li caropods, Giordanelles, Siamese epalceorinhosy.