The Planted Tank Forum - View Single Post - gate valve or ball valve on sun sun?
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post #5 of (permalink) Old 02-20-2013, 08:45 PM Thread Starter
Algae Grower
Join Date: Feb 2013
Location: mankato,mn.
Posts: 15
how far can i restrict the outflow? 50%? more? less? don't want to ruin the filter.
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