SRC Member Anthony Posted January 11, 2003 SRC Member Share Posted January 11, 2003 hi guys i design a 3x1.5x2ft 8 or 10 mm thickness 6x6inches w a hole drill. just wondering how big shld i drill the holes. 2cm? pls give me some advise. about the pipe.. can i lower it down .. so that i can add as a filter chamber too. maybe bioball inside.. how? Quote ... click here Link to comment Share on other sites More sharing options...
SRC Member TanGo Posted January 11, 2003 SRC Member Share Posted January 11, 2003 Hmmm.. I always prefer a tank with hang on over flow system... I mean drilling a hole at the bottom of a tank, will it sort of weaken the structure? Long time perhaps? Leakage from the pipes? my 2 cts.. Quote Link to comment Share on other sites More sharing options...
Achilles Tang Posted January 11, 2003 Share Posted January 11, 2003 My old tank had the same design. It's a common one. Always try to have the biggest hole you can accommodate coz if you are looking into increasing water flow eg. using a big pump, the amount of water going thru a pipe of smaller diameter cannot cope and your tank will overflow. To control the amount of water going down into sump, install a ball or gate valve. If you want to make your overflow chamber to be a refugium of sorts... then you should put the pipe opening higher. Lower it and and you can choose to put bioballs in or use filter wool in the chamber. Tango.... drilling a hole into glass affects the integrity of the glass pane. If you can, you should have the glass tempered after drilling to strengthen it or simply use very thick glass. Leakage is a possibility if your silicon weakens. Quote Link to comment Share on other sites More sharing options...
SRC Member Anthony Posted January 14, 2003 Author SRC Member Share Posted January 14, 2003 hi AT, .. . just wonder how big is ur pipe... 25mm? ... or shld i go for like 2 inches? i need some advise... as big as possible .. but i scare too big .. drilling a hole into glass affects the integrity of the glass pane. ya abt the chamber ... normally is just 6"x6" ... izzit gd that i make it smaller .. maybe 5"x5" hope u can help. thanx Quote ... click here Link to comment Share on other sites More sharing options...
SRC Member PLataX Posted January 15, 2003 SRC Member Share Posted January 15, 2003 Yoz! normally 3ft tanks use 25mm grey PVC connector. Also always remember to use thicker glass for the base of the display tank if drilling is intended....or & not to patronize u or anything.....styrofoam the base to level of any uneven plane. Think the structural integrity of your design should have no prob.... Quote ISLANWIDE Doorstep CO2 refill @ $42.00 (5L and below)sms 93638229 now!!!! For larger canisters do enquire:] Link to comment Share on other sites More sharing options...
SRC Member PLataX Posted January 15, 2003 SRC Member Share Posted January 15, 2003 oh 4 got yer last question......I personally feel that the size of your overflow section should be decided on the expected bio-load of tank...larger 4 larger......& if u r gona use eggcrates for some of the partition within the overflow section, I suggest u measure the eggcrate squares b4 u decided wat size....dun worry 2 much abt the flow of the water 2 much....unless u plan too go skinny on the size... Quote ISLANWIDE Doorstep CO2 refill @ $42.00 (5L and below)sms 93638229 now!!!! For larger canisters do enquire:] Link to comment Share on other sites More sharing options...
SRC Member Anthony Posted January 15, 2003 Author SRC Member Share Posted January 15, 2003 hi PLataX.. do u have a 3ft w the same design? i dun want to custom maked liao .. then regret... if the pipe is 25mm.. will it still be veri noisy? i tot of getting 30mm or more. Quote ... click here Link to comment Share on other sites More sharing options...
SRC Member PLataX Posted January 16, 2003 SRC Member Share Posted January 16, 2003 I strongly recommend custom tanks.....I myself have ordered custom made tanks 4 myself & my clients & frds.....only disadvantage is the tank stand...very troublesome to find and very X to custom.....I use Ikea's sten to hold my 3fts....they r reputed to hold up to 500kg but pple tink that's bullS***.....anyway they hold up till now mayb cos I laquer and add strong brackets to them.....my tank design same as yours.....as 4 the noise you need to fill the entire overflow wif bioballs and or aquarium wool to muffle the noise.....without them DAMm noisy but with them just right..... Quote ISLANWIDE Doorstep CO2 refill @ $42.00 (5L and below)sms 93638229 now!!!! For larger canisters do enquire:] Link to comment Share on other sites More sharing options...
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