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Comment by Shivanie Ramnarine on September 27, 2011 at 12:29pm

i guess my pipes are too small that y  my plants are not growing much only the lettuce and pakchoi are grow but still very slow not like how i expected, i have 18 2 inch tilapia in my 200 gal tank the pump has a built in filter and the water pumps frm the FT thru a 1/2' pipe to 9 2" NFT channels, water flows thru channals the out the other end is collected and falls back into the FT, i am think of puttin in an air pump to help make more oxygen to see if that helps but do i need a sump pump ? or something i feel like something is missing frm the system, pls give ur feedback on this

Comment by Kobus Jooste on September 20, 2011 at 9:13am

For my towers and NFT I use 110 mm (4 inch?) pipe.  I'd love to get some 160 mm and 200 mm pipes (6 and 8 inch?) but the stop ends become way too expensive.  I'm going to make a 160 mm system based on a 300 liter fish tank soon, but in my currency, I pay less than R3 for a 110 mm stop end and the 160 mm ones are R40 each! The 160 mm pipe is also much more expensive, but I managed to get my hands on 3 meters of 160 mm and 5 meters of 200 mm recently. 

Comment by Shivanie Ramnarine on September 20, 2011 at 8:42am

hi,

my system pipes are 2" what size are u using?