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Home » Aquarium Supplies  » Saltwater Supplies  » Protein Skimmers  »  Deltec External Protein Skimmer AP600
Deltec External Protein Skimmer AP600

Deltec External Protein Skimmer AP600

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Deltec External Protein Skimmer AP600 Information

This is the standard starting model of the AP skimmer range and still has the highest performance amongst the rivals in its class. The picture shown is for an older model AP600. All AP600 skimmers are fitted with an Aquabee pump and Deltec needle wheel impellor for unbeatable performance. The 230V version of the AP600 is fitted with 1 pump, drawing in 350lts of air per hour making it suitable for aquariums up to 700 lts (155 UK gallons)

The skimmer must be supplied with water either by gravity feed from the aquarium or via a separate pump.

Technical Data

For US 110V specifications please visit our D-D USA section of the web site
AP600 Skimmer : Article No. 88001
Can be stood either in or beside a sump or beside the aquarium.
Can be gravity or pump fed (supply pump not supplied).
Water throughput - 600 lts/hr, (133 UK gallons/hr).
Installation kit - item 88050.
350 litres of air/hr are produced at the venturi.


L 280mm W 210mm H 600mm (allowing for removal of the cup)
Hard pipe connections - Supply - 20mm Return - 32mm
Flexible connection 16/20mm hosetail
Skimmer body - 125 mm diameter
Riser tube - 75 mm diameter


Normal Stocking 750 lts (167 UK gallons)
Heavy Stocking 500 lts (111 UK gallons)

Deltec External Protein Skimmer AP600 Reviews

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of 2

AP 600

Reviewers Rating Excellent!

4.5 5
Experience Level: Expert

Comments: This is a great skimmer. Like the size and footprint. A powerhead that pushes 300 gph at 1ft. head pressure works great. Did not have to use ball valves I put inline with this amount of waterflow. The only issue I had was the construction of the air inlet valve and how it was mounted. I have had no problems and works fine, but for the money I would expect the valve to be more secure so nothing breaks.

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love this skimmer

Reviewers Rating Excellent!

Posted: 9/10/2010 from TORRANCE, CA UNITED STATES
5.0 5
Experience Level: Expert

Comments: For the Deltec APH525. Sure, there are plenty of great skimmers out there but find me one small enough to fit in an undersized cabinet with barely any space left that won't sacrifice the same performance you'd expect out of a larger skimmer. Hands down, it works and it works great. I'd like to say it works right out of the box but if there's anything keeping this from 10 stars, this is it. You absolutely need a ball valve on the return outlet to achieve the optimal water level required to get this skimmer to work effectively. I'm using two little fishes 3/4". Fortunately, the higher end models come equipped with return ball valves.

1 of 1 People found this review helpful, did you? Yes No

Poor Quality over time

Reviewers Rating Unsatisfactory

Posted: 3/28/2010 from NJ
1.0 5
Experience Level: Expert

Comments: I purchased one of these a while back before Deltec had a wide distribution system in the US. It worked wonderfully for about two years, but eventually started to become troublesome. Skimmer output slowly dropped over time and it required frequent cleaning to keep the skimmer operating (the little needlewheel pump would stop spinning; a bath of warm water would revive it). One day I came home to find a small puddle of water on the floor - I noticed the acrylic weld that joined the pump bulkhead to the body of the skimmer had developed extremely fine cracks and water was seeping out in small drops. I tried to seal the cracks with some silicone as a stop-gap, but more cracks formed over time. Maybe the little pump caused too much vibration and broke the weld, I don't know, but one day enough water leaked out that the pump ran dry and stopped working altogether... and thus died the Deltec. Extremely disappointed with the construction of this skimmer and its unfortunate demise, especially given the money spent on it. I am now running the older skimmer it replaced, which has outlasted it by several years...

7 of 8 People found this review helpful, did you? Yes No

Good product

Reviewers Rating Average

Posted: 4/24/2009 from CHICAGO, IL UNITED STATES
3.0 5
Experience Level: Expert

Comments: Well built, good construction. Skims well. So far so good, no issues.

1 of 3 People found this review helpful, did you? Yes No

Amazing Skimmer!

Reviewers Rating Excellent!

Posted: 2/26/2009 from WEST HENRIETTA, NY UNITED STAT
5.0 5
Experience Level: Expert

Comments: Got this thing out of the box and skimming like a champ in under 20 minutes on my 210 gallon SPS tank. The build is high quality and the installation is extremely simple. After 18 hours of operation I have 4 inches of dark/wet, gunk in the collection cup that my old ASM was seemingly unable to get to. The sheer amount of foam amazed me; it’s like nothing I have ever seen before. It is worth every penny.

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Easy Set-up

Reviewers Rating Excellent!

Posted: 11/22/2008 from SAN JUAN CAPISTRANO, CA UNITED
5.0 5
Experience Level: Beginner

Comments: Plug and Play! I set this skimmer inside my sump, turned it on. Nothing else to do. I am using a small power head to push the water through the skimmer. Excellent quality. I would buy another Deltec.

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Reviewers Rating Excellent!

Posted: 8/12/2008 from CHARLESTON, SC UNITED STATES
5.0 5
Experience Level: Expert

Comments: Well after selling my house and children i finally got the skimmer of my dreams!

12 of 31 People found this review helpful, did you? Yes No

Excelent Skimmer

Reviewers Rating Excellent!

Posted: 7/19/2008 from MAYAGUEZ, PUERTO RICO
5.0 5
Experience Level: Expert

Comments: I've been using this skimmer for about 1 year and a half and it's performance is excelent once properly setup just turn it on and forget about it just clean the collection cup at least 2 times a week and your all done dont forget to clean the air tap a couple a times a week if you live in a dusty environment other than that it works awesome the best skimmer that i have owned in my 20 years in the hobby a very good investment in my tank.Also clean the pump every three months or so and if you can put it to work from your overflow box it works even better for the nastiest skimmate production and filtration of your water.

6 of 7 People found this review helpful, did you? Yes No

Great Skimmer

Reviewers Rating Great

Posted: 6/2/2008 from UNITED STATES
4.0 5
Experience Level: Intermediate

Comments: The simmer is big!!! I have on a 265 and it does a great job of pulling gunk.Does get a little sensitive after a water changes.The only reason I didnt rate it a 5 is power consumption..104 watts!!!

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Good perfomer

Reviewers Rating Great

Posted: 5/17/2008 from METAIRIE, LA UNITED STATES
4.0 5
Experience Level: Expert

Comments: Good performer, and a better price than what I paid for mine a little more than a year ago when DOUG was the USA distributor (price gouger). Glad to see Deltec finally wised up and took a look at all the complaints against him (poor service and charging double what the rest of the world paid for Deltec) and decided to go with Marvin for support and Marine Depot for sales. My skimmer had problems for a while when the pump went bad in under a year, and while still in warranty, and, I had to go DIRECTLY to D&D since Doug of D-USA wouldn't send me a pump, or, kept stalling saying he did (over 2 months!) ship it. After I got my replacement, it has worked flawlessly.

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