Frequent Asked Questions | D-D The Aquarium Solution

Hi there im just wondering if its safe to use dd aquascape 
epoxy to build around my filter box a wall for the fish as looking at a valck 
box isnt nice and would like to cover it with epoxy my tank is also 
freshwater and wonderd if its safe for fresh water fish aswell i have seen 
its safe if used properly for marine aquariums but not for freah water or if 
you could help would be great in choosing the right epoxy for my filter box 
thank you

Hi tony got a couple of questions if you have time. On the layout page on director  lights have a turqouise mark on them but bottom left of layout is dark blue is firmware upto date??  Also thinking of using lunar setting would it be advisable? Is there any side affects to consider behaivour,stress?? And wot colours would be used as moonlight.  Thanx in advance rickie

What is the diffrence in function and specs between the new Hydra 52 HD and standard Hydra 52 ?.

Hi Tony,

The calibration screw is rusted. Can I use wd-40 to loosen it? I have the DD h2ocean refractometer.

I sent this question on your company's website but no response yet last week.

hi i bought some rowaphos and rowacarbon to use in the media 
bags as i don't have a reactor, i am using it in the fluval m90 so it is rear 
sumped, i have managed to get the bags floating where the water flows through 
the grills in the rear chambers i have sort of wrapped them in filter floss 
but the rowaphos has turned the water cloudy as it fell out a couple of times 
and sunk to the bottom of the filter chamber, i presume this will clear in a 
day or so? any ideas on how best to use it in this tank would be greatly 
appreciated, also what are the amounts i should be using with both 
rowacarbon/phos on a 136 liter?  thanks tom

My pump looses power when the air hose is connected.  It makes a grumpling noise and looses output.  Can you please advise?  Has a part worn?


I am planning my new set up and wondering what skimmer to get. The set up will be about 1400ltrs all in. I see the SC2060 protein skimmer states that it is ok for heavy stocking at 1400ltr. Is this true or is it best to go to the next size? Although this seems quite a jump?

Any help would be much appreciated.



Dear Toni,
could you tell me if one Hydra 26 would be enough for a Reefer 170 Tank.(W 60 cm* D50cm* H50cm
For mostly LPS and SPS also Anemones.


I have a new reef tank ( dimensions are 70 cm x 70 cm x 40 cm ) and I 
installed my hydra 52.

I have some questions :
- Only one hydra 52 is suffisent for my tank ( SPS / LPS ) ?
- Can you help me for adjust colors channels and lighting intensity ?

Many thank's,

Mr B


Purchased a dc -2000 chiller of a supplier in Norway . It is used in a closed 
water system with 300 liters of water. ( hatchery for fish)
Do you have information on how much water it shall be over the plate 
exchanger / chillern and how much water resistance there is in the plate 
exchanger / chillern .
The water temperature shall be 3 degrees

hi . i accidentally dropped my aquailumination prime in my aquarium. and its 
not workin well. what can i do?
can you help??
im from jersey channel islands uk

Hi I use 2 D D FMR fluidised reactors and have done
for a while . unfortunately I need replacement push on elbows  for both  .
The part number may be FMR BND. I am having a lot of trouble getting these
parts and have been trying for 8 weeks now. Can you help?


I have been using biopalletts seen november but didint seems is working 3 weeks ago i found 25 nitrates i down this to 0 today i found 10 nitrate. I have a 225 lts tank with 250ml of biopallets. My friend told me thay i dont have good flow to work attched i have 2000 lts pump with it when i connect the biopallets reactor only it thunble very fast and when i connect with rowaphos reacotor it comes slow and only thumbling  part of the reactor. Shoulf i make a saperate pump for the rowaphos?

I expaine my sump on the 1st chamber where the water comes down the is the protein skimmer pump and then goes to 2nd chamber where i have live rock 3 chamber i have the return pump and the biopallets pump where this take water back at the 1st chamber where is the protein skimmer is that wrong? Should i move the pallets pump?

also can you please recopmand a pump and flow for rowa phos reactor?


Hi, posted this in your forum yesterday, had hoped someone would have answered me.

Had the SC2060 protein skimmer running for a while and its great, but always been noisy and rattling. I've spent a day isolating everything vibrating in my tank and got rid of the rattle, but I cannot reduce the hum from the protein skimmer. Everything has been fixed tight, and it is sat on a foam mat, even if i lift the protein skimmer so it is 'floating' the hum is still there so it must be the pump. Otherwise I cant fault the protein skimmer, just need to silence it. Can you please offer advice?

Also, the Ti grounding probe, does this need to be plugged into the wall on its own socket, or can it go through an extension multi-plug?


mandar1n3 aka Billy


I have an aquarium that is 600 litres, medium stock level, running with an mce600 turbo placed inside the sump, I have looked into the sc1455 protein skimmer with a view to update my MCE600 turbo, noting that the operating pump is the same, would I get any benefit from this plan or would you suggest another course of action? Also my sump level is exactly on the 240 mm depth.

Many thanks for any guidance you can offer.