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jimbo has offered some of the best, relevant information i have read here. good job!

thats the end of that chapter! nice one, fellas

to be honest, id rather have used PVC as i can plumb that easily. ABS is joined with a 'welding glue'. more effort than its worth then?

the LFS that I have ordered my tank from only sell ABS pipes. i have never used them before. they assure me that PVC is no good long term (erosion) anyone used ABS for their set-up's? is it worth it? "If you are planning a reef tank, we recommend that you use ABS piping grade A or B not...

thanks mike!

the unit im looking at to cover my 100gal is comprised of 6 x T5's. the standard wattage available is 39, but is it worth paying that little extra for the 80's? i mean, more WPG is better, right? im into SPS but may decide to keep some LPS coral too, and the tank is around 24" deep btw. thanks!

Ok, I'd hold off on the water changes during a cycle until the am=0 and the nitri=0, let nature do the rest. Water changes can slow your cycle right down IME. Start your pwc's when you detect nitrates (as above). you've got some good advice there, I'd make it a priority to get an accurate test kit.

lol are you doing water changes in the middle of your cycle to reduce ammonia..?

when you first added water 2 months ago, did you use RO water, or 'treated' tap water?

Iv kept bettas for years. 5 seems a little small. I'd go no smaller than a 15, with adequate live planting. But, it all depends on the fish. I currently have a 20g heavily planted tank with 1 male and 3 females and have had no issues. Some males have far more aggressive tendancies than others...

What brand was it?

its a little odd for a submergible component to contain untreated oxidising metals - i'd consider other sources also, just in case..

My 5 stage removes salt of moderate concentrations, also. Good point about the membranes though. I guess if the sump has adequate sediment filtration so as to prevent larger particles entering the membranes it should be ok. TBH, I think that the output of an RO/DI correlates to the quality of...

:(

haha, nice one!

lmao!

But, doesn't a good RO/DI unit remove all contaminates from water, even those one may consider to be benificial. My 5 stage turns my water into what is essentially a blank canvas, to which I would proceed to add only the elements that I require to sustain my reef using various reactors and such...

I agree, it will remove the good stuff too, but thats the same for a conventional pwc. You would still be replacing tank water with RO/DI either way. I see where you're coming from though. I'm sure he only turns it on for like two hours a week or something, so it's not stripping the tank. Any...

thinking about it now, i guess that even if it is a FOWLR or a reef, it would only remove what a pwc would remove anyway. i suppose if you ran about 15% of your tank water through the RO/DI in your sump, and it worked (lol) it may eliminate the need for a pwc... it would help to remove your...

from his point of view it only removes what a pwc would anyways, and he just tops up the salt as he usually would. but its a concept that i have not seen before, so i though id ask.. lol

i visited a friend recently, a proud owner of a 120gal FOWLER. he has an RO/DI unit plumbed into his sump with a small submergible water pump in its own loop, so i guess he's purifying sump water and returning it to the cycle. i was a little sceptical. he thinks its a good idea. anyone tried it...

The three main nutrients that algae need are nitrogen, phosphorus and potassium. In an aquarium, these nutrients come from fish waste, uneaten food, the metabolism of beneficial bacteria, and the decay of other organics such as plant debris or even dead algae. I would suggest a battery powered...

if you do decide to use hydrogen peroxide (which is very effective in my experience) it is advised that you increase airation. lol, did you let it get that bad on purpose? :D

does this look more suitable?

im going with the wet/dry because the LFS have offered to provide all of the required materials free of charge, so i thought it would suffice for now.. rgr that. thanks for the quick reply, neilan!