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Which is better? -UV STERILIZER

PostPosted: Wed Feb 24, 2010 1:58 pm
by amang
guys.. ask ko lang po, may pond kase friend ko and we will going to install a uv sterlizer.. may nag offer kase sa amin nito.. ang sabi mas malaking surface ang ma cure nya kase ilalagay sya (submerge) sa isa sa chamber/sump/filter ng koi pond..

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or mas effective ba itong mga naka capsule/enclose? para mas ma cure nya ang water?

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your opinion is highly appreciated.. thanks! :D