Change reture pump or wavemaker?

[tansh]

I have a 2ft cude mix reef tank running with 2500L\H for my reture pump and 2 M620 for wavemaker in main tank.Parts of the position where I wanted to put new sps corals not getting enough flow and also some deadspot.Can anyone advice should I change my reture pump to 3800l\h or upgrade my M620 to m820 to get more flow in main tank?

Thks

[andysho]

i using m820 in my tank and think not enought also

now i using one m820 and one tunze 6060 for my 2 feet cubetank

no sandstorm at all

[tansh]

i using m820 in my tank and think not enought also

now i using one m820 and one tunze 6060 for my 2 feet cubetank

no sandstorm at all

Thks but Im worry my LPS cant take the strong flow

[tansh]

Sorry forgot to mention upgrade from two M620 to two M820.

[junyong84]

put those LPS on e sand bed den...

[tansh]

Thks for the advice hv got the M820 to replace M620

[Lester]

hmmm try eduactor for extra flow????

cheers

[danano]

For a 2ft cube, you could try a tunze stream with single controller. Place your LPS in valleys between your rock work if that's a major concern.

Angle the Tunze stream slightly upwards or deflect it partially with LR to reduce the flow if necessary.

[tansh]

Thks to all bros advice.Now very happy with my new 2 m820 with lots of flow in main tank