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Hi Everyone

New here, I used to keep tropicals up to about 9 years ago, Malawi's, piranha, discus etc obviously not all in the same tank.

I setup my first marine tank about 11 months ago, it was interpet river reef 96? And just upgraded to a tmc signature 900.

On the tmc I've already moded the over flow so it skims off the surface and added a couple of holes in the hose to stop the gurgling noise!

But I'm not happy about the single overflow as it limits how much water I can pass through my sump  and also the risk of it getting blocked.  So I want to add a second overflow/bulkhead, has anyone here drilled a tmc signature 900 before or does anyone know if it made of toughened or tempered glass?

Many thanks for taking the time to read this.

Darren


fr499y

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Reply #1

The only way that doesn't involve drilling is getting a X-aqua ( or equivalent ) brilliant bit of kit. I had the same, made my own weir box for the bulkhead to reduce noise and increase surface skimming etc. The standard drain is too small to handle a good flow. Max i could put through it without noise was around 300lph, with the X-aqua you can throw 2500lph through it. I'm running at 1000lph currently and the water level is about 2".

Darren Cooper

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Reply #2

Thank so for the reply, surly the x-aqua needs a hole drilling so you have two side by side? It also looks Loire it's hard to get hold of.

I haven't got a problem with drilling a hole in my tank, I just need to know if it's toughened. I can't seem to find this information anywhere.

Asco1104

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Reply #3

Hi Darren

Welcome to the forum
I havnt got the answer if it’s toughened or not, I would find your nearest TMC dealer and see if they can put you in contact with someone at TMC can help you


Tim

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Reply #4

Hello and welcome

Sadly TMC are about as helpfull as the Flu!!!

This one example !!


And it looks like they can be drilled



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fr499y

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Reply #5

Thank so for the reply, surly the x-aqua needs a hole drilling so you have two side by side? It also looks Loire it's hard to get hold of.

I haven't got a problem with drilling a hole in my tank, I just need to know if it's toughened. I can't seem to find this information anywhere.


The x-aqua can be split into two units. They are 'pre-sliced' so to speak.  >> XAQUA WAVE MAKING and OVERFLOW SYSTEM

Its not toughened glass, its just 10mm opti-white.
Running two of the same style/sized drains isn't going to archive much more in terms of flow or quietness! Think about it, if 300lph is the max one drain can take without water levels rising or noise increasing, then two still won't cut it.

Darren Cooper

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Reply #6

Thanks for all your help and advise guys.

I've purchased a new overflow and strainer and it's a bigger diameter than the standard so hopefully I should get a bit more flow, I've solved the noise issue with my mods and got it running silent.

I've purchased a diamond glass hole cutter so I'll be going for it at the week end, I will let you know how I get on. 🙏

Thanks again

Darren

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