D-D UltraFlow Weir Comb - A BETTER alternative Overflow Comb for 6 to 12 mm glass - 60 cm Long

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D-D UltraFlow Weir Comb - A BETTER alternative Overflow Comb for 6 to 12 mm glass - 60 cm long Designed by D-D and produced within the U.K. Maintaining high flow through a standard a weir comb isn’t an easy task, weir boxes are usually manufactured to be as small...
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D-D UltraFlow Weir Comb - A BETTER alternative Overflow Comb for 6 to 12 mm glass - 60 cm long

Designed by D-D and produced within the U.K.

Maintaining high flow through a standard a weir comb isn’t an easy task, weir boxes are usually manufactured to be as small and unobtrusive as possible but that often results in the display aquarium run height backing up due to the short linear length of the top of the weir glass and to the added restriction of a standard weir comb.

The D-D UltraFlow weir employs horizontal and vertical drain slots allowing around 30-50% more water to flow through the slotted sections compared to a standard vertical overflow comb greatly reducing the water run height of the display aquarium. When employing restrictive standard vertical weir combs water can start to back up in front of the combs and to touch the brace bars or at worst overflow the aquarium!!.

The higher flow through the weir comb also allows for higher output return pumps to be employed .

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Designed by D-D and produced within the U.K.

Maintaining high flow through a standard a weir comb isn’t an easy task, weir boxes are usually manufactured to be as small and unobtrusive as possible but that often results in the display aquarium run height backing up due to the short linear length of the top of the weir glass and to the added restriction of a standard weir comb.

The D-D UltraFlow weir employs horizontal and vertical drain slots allowing around 30-50% more water to flow through the slotted sections compared to a standard vertical overflow comb greatly reducing the water run height of the display aquarium. When employing restrictive standard vertical weir combs water can start to back up in front of the combs and to touch the brace bars or at worst overflow the aquarium!!.

The higher flow through the weir comb also allows for higher output return pumps to be employed .

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Innovative design by D-D

Designed to retro fit existing aquaria or for installation as part of your new aquarium build.

  • Adjustable glass runner for 6,8 and 10mm glass
  • Can be installed on glass over 10mm thick by cutting the runner and bonding it directly to the glass
  • Easily removable gridded section for easy cleaning and to maintain high flow
  • Ultra high flow rates
  • Available in 60cm lengths

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D-D UltraFlow Weir Comb Installation

The D-D UltraFlow weir comb has been designed to drastically increase the amount of water that can pass through it by adding an extra grid to the underside of the comb thus increasing the surface area of the comb. This results in an increased flow through the comb of around 30-40% compared to a standard comb of the same length.

The comb can also be easily removed for cleaning and includes the ability to mount to various glass width's of glass by means of a push fit or for very thick glass the runner can be cut to suit and bonded into place.

The UltraFlow weir comes supplied in two parts, the weir comb itself which push fits into the runner so it can be quickly removed for cleaning and the runner that can be either installed by pushing onto the weir glass (6-10mm glass) or by bonding the runner onto very thick weir glass (12mm +).

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The image below illustrates how the multi-fit runner should be prepared to fit different thicknesses of glass. The runner includes a tab (highlighted in pink) that can bent into the correct shape to fit the appropriate thickness of glass (6-8mm). A guideline moulded into the runner will highlight where to make the bend. The tab is quite robust so it holds the runner into position so some force will be required to bend it into shape.

For 8-10mm glass the tab does not require bending and will sit against the back of the glass.

For 12mm glass or over the runner can be cut to shape and bonded directly to the glass, there are guides moulded into the runner to highlight where to cut. Scoring the line firmly with a sharp Stanley knife (watch your fingers) 4-5 times will allow you to cut through the runner at the score line as per the diagram for 12mm glass below.

If the runner is to be bonded onto a running aquarium we recommend using either Innotech or Gold seal Aquarium mastic as both will go off under water and are rubber based, Silicone sealant type mastics may not permanently bond to plastics and will not set under water. Bond the runner to the weir glass and allow to set, and then install the weir comb to complete installation.

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Thanks you for supporting us. Presently all products sold on MyAquariumShops.com will be arranged and shipped out as soon as possible upon receiving confirmation of orders.

All shipping of products sold on MyAquariumshops.com will be shipped either the following method ;

1) Local shipment within Malaysia – West Malaysia

Next day delivery Door to Door courier with major courier company in Malaysia once notification of the parcel has been send. Customer will be provided with the information of the courier company together with a parcel tracking number via an email which they are registered with to enable them to track their parcel via their email and via SMS text message send to their registered phone no. However, due to some circumstances  there might be chances that the courier company might take longer than usual to make their delivery. Customers will be advised of the contact info for them to contact the courier company to check on their delivery status.

The main courier company which we use is Airpak Express, however at time due to certain circumstances, we may use other courier company for example, poslaju, GDEX, ect to send your parcel. 

2) Local shipment within Malaysia – East Malaysia / Singapore

Usually for East Malaysia ( Sabah , Sarawak ) and Singapore,  the parcel will take longer about Two to Three day for it to arrived. However subject to clearance , it might take a day or two more before the parcel reach your doorstep. Customers is advise to check with the courier company with the tracking number provided for exact detail.

3) Small parcel – local shipment within Malaysia

For smaller items, in order to helps our customer save on the shipping charges, we offer local registered article postage by Airpak Express . A tracking number will also be provided to the customer to enable them to track their own parcel. Customer will receive both an email notification as well as a SMS notification on their registered phone on once their order has been shipped.

4) International Shipment – Worldwide

We can ship internationally worldwide, however as we are unable to provide shipping fees online for all of our products, please contact us under the contact us page with the items you are interested in for the shipping price quote .

If any of the country is not included in the checking out, please send us an email with the items that you are interested in buying , and we will check and advise you on the shipping accordingly.

5) Free Shipping promotion

For West Malaysia delivery, we offer free shipping for orders amount rm 500 & above and for East Malaysia and Singapore customers, Order amount RM 1000 & above. For Bulky or heavy items, for example ,salts, rocks, sands and chiller above 9kg, it will be using PosLaju Sea shipment for postage to East malaysia. For sea shipment, the estimate arrival time is about 30 day.

From time to time, we might offer “FREE SHIPPING” to some of our products. Free shipping means that we will take care of all the shipping / delivery charges of the products to your door step. Prices reflected on the website is the final price that you have to pay without any additional shipping charges. Please subscribe toour Newsletter and follow us on our social media platform for latest promotion.

6) Free Shipping

We provide FREE SHIPPING for the following ;

West Malaysia ( Purchase over $ 500.00 )

East Malaysia ( Purchases over $ 1000.00 ) 

** For Bulk / Heavy items to East Malaysia it will be shipped out via POS LAJU SEA Shipment **

Singapore ( Purchases over $ 1000 ) 

7) Customer Pick up.

At the present moment, we only can handle customer pick up at Johor Bahru area only. For Johor Bahru customers , Please contact us after your order with your order no to arrange for self collect. Please select “ Local shipment pickup “ during check out of your purchases.

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D-D UltraFlow Weir Comb - A BETTER alternative Overflow Comb for 6 to 12 mm glass - 60 cm Long
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