Marineland Jetstream

Post Reply

Author	Message Topic Search Topic Options Post Reply Create New Topic Printable Version Translate Topic
immortal Members Profile Send Private Message Find Members Posts Add to Buddy List Guest Joined: March 18 2006 Location: Pleasant Grove Status: Offline Points: 251	Post Options Post Reply Quote immortal Report Post Thanks(0) Quote Reply Topic: Marineland Jetstream Posted: August 29 2006 at 9:53pm
	I just bought an 80 gallon tank and it has the Marineland Jetstream overflow and return system in it. I was wondering if anyone has ever seen one of these before and if it works well or not. I have learned it is much easier to make modifications to the tank before filling it. So if I am not going to be happy with it I would like to just put a standard overflow in it now. It sounds good in theory but it seems pretty flimsy to me and in the brocure/manual it says the "optimum flow" for the drain is only 300-600 gph. Here is a link to it: http://www.marineland.com/products/consumer/con_jssuper.asp except I only have the two pipes (1 drain and 1 return)... not their entire setup. One other question... the tank is drilled with 1 inch bulkheads... I was planning on using my mag7 which has a 1/2 inch outlet. Would I be ok with using that or would my flow be severely slowed by jumping from 1/2 inch to 1 inch?
	Immortal

AnthonyH Members Profile Send Private Message Find Members Posts Add to Buddy List Guest Joined: February 11 2006 Location: United States Status: Offline Points: 131	Post Options Post Reply Quote AnthonyH Report Post Thanks(0) Quote Reply Posted: August 30 2006 at 10:25am
	Your flow (GPH) won't be affected by going from 1/2 to 1 inch, only the velocity of the water coming out.
	Anthony 55 gallon reef

KeoDog Members Profile Send Private Message Find Members Posts Add to Buddy List Guest Joined: September 18 2002 Location: United States Status: Offline Points: 884	Post Options Post Reply Quote KeoDog Report Post Thanks(0) Quote Reply Posted: August 30 2006 at 11:14am
	If you are pumping up the weight of the volume of water being pushed will increase thus decreasing the gph. If you are pumping horizontally or down it will only change the velocity as Anthony stated. I use a Mag18 on my 72g with 3/4 out from the pump and 1" return to the sump.
	Kevin Kunz (Sandy, UT) 300g reef "A trade by which one gains and the other loses is a fraud." Ayn Rand

Kevin Members Profile Send Private Message Find Members Posts Add to Buddy List Paid Member Joined: September 12 2002 Location: Pleasant Grove Status: Offline Points: 1044	Post Options Post Reply Quote Kevin Report Post Thanks(0) Quote Reply Posted: August 30 2006 at 2:28pm
	I would agree with Anthony. Having a larger pipe would not decrease gph if the height is the same on both pipes. The amount of head pressure is what determines how much it can pump. Head pressure is detmined by the vertical height of the water and any turns the water has to make in the pipe (90 degree turns), not by the volume of water above it.

Gahlenfr Members Profile Send Private Message Find Members Posts Add to Buddy List Guest Joined: December 01 2005 Location: United States Status: Offline Points: 1061	Post Options Post Reply Quote Gahlenfr Report Post Thanks(0) Quote Reply Posted: August 30 2006 at 6:29pm
	I don't want a large pipe sticking up in my tank. With my luck I would snap it off the first day it was filled. In my experiece you want the drain larger than the return. If it were me I would put an overflow around the drain and go with a modified durso. It return could be plumbed with flex pvc and directed to a spray bar, Sea Swirl or any number of possibilities. JMO

immortal Members Profile Send Private Message Find Members Posts Add to Buddy List Guest Joined: March 18 2006 Location: Pleasant Grove Status: Offline Points: 251	Post Options Post Reply Quote immortal Report Post Thanks(0) Quote Reply Posted: September 03 2006 at 11:21pm
	I don't like these flimsy parts so I am going to just have an overflow put in on the one side and use the other hole for a drain for a closed loop. I have never had a closed loop before, how many returns should I have in a 80g bow (basically a 72g but an inch or two taller)... Would 2 be enough or would I want more? This is going to become my reef tank so I want lots of water flow to keep the corals happy.
	Immortal

Post Reply
Tweet

Forum Jump

Forum Permissions View Drop Down

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot delete your posts in this forum
You cannot edit your posts in this forum
You cannot create polls in this forum
You cannot vote in polls in this forum