control

Just change my tank over to Hydros and have a bunch of extra equipment I don’t need. Everything listed is brand new and being sold as a package. Price is $275 includes shipping. Here is everything in the package - X3 with power supply PH Probe Skimmer Level Sensor Triple Optical Water Level...

I've seen these graphs that show reef tank compatibility between fish in reef aquariums and I was wondering if anyone knows of a similar graph that shows coral/anemone aggression and compatibility that they refer to for a rough idea on what will be say more aggressive than tankmates close-by...

Brand new in box apex.jr. for 260 shipped. Won in a raffle and do not need. 250 if local and picked up. Plenty of references. Thank you!

Looking for Neptune FMM

Every option is valid it seems, I’m just trying to decide on a feeding method for me. I have Blotchy Anthias and a juvenile multi bar so my feedings need to be often and are automated with an autofeeder. My tank is a Cade 1800 S2/P at 228 gallons. Since I have a reefmat, it’s not the end of...

I am trying to set up my kh director to control my calcium reactor but I’m A little confused on how it works, I said a nominal value change in the minimum and maximum and it doesn’t change anything when my alkalinity goes to high or too low, does anyone know exactly how to get this to work with...

I should start by saying, I do not have all the answers, in fact, I hardly have any. After combing the forums daily for weeks, I realized that there are hundreds(thousands?) of threads concerning GHA. Unfortunately many of these threads have either gone unanswered, or the answers varied greatly...

I was wondering if I could use some kind of heat mat to bring my 15 Liter Pico reef to a set temp with an Inkbird temp controller. I would buy a Thermo Canister Filter but OASE is from the UK and it's like $100 delivery plus the $180 for the 100w OASE Thermo Canister. And I still think 100w...

I know they aren't too harmful to things but I just don't want to have worms burrowing into any of my corals. And Im worried about the future of my tank. I have some spionid worms in my sand bed. Anyone have any luck with creatures / fish that eat these worms, Ways to control the population, or...

Hey guys, I really need your help. I am a mechanical engineer tasked with designing and configuring a self-regulating Saltwater Aquarium but unfortunately I know nothing about aquariums (Well, not true, ive been reading up a bit, but id still consider myself completely ignorant on the subject)...

Hello I looking for GHL sa 2.1 doser

Neptune Apex classic. Includes display, power strip, brain, Ph probe, temp probe. Also have WXM available. Asking $200 plus shipping for Apex

Hello I have two Atlantik v4 Compact controlled by wifi and the gateway 2 but i bought a atlantik V2.1 on ebay and i am not sure if i can control it with the same app and gateway as the V4. I was reading about a upgrade of the V2.1 to V4 but i dont know if it is necessary to controll with the...

Hi there, Ive opened this as a ticket with GHL, but hopefully you might be able to shed light on what I’m doing wrong. I have been controlling two Tunze 6040 pumps with my Profilux 4 using illumination channels and it has worked fine. Today I added two more 6040s as well as two Stream 3s. I...

Deepwater aquatics BLDC 8 pump, with the controller rated up to 2100 GPH, in good condition. $103. Can be shipped at buyers expense. (818)703-3993

Lightly used and in great condition. $250 shipped. 818 703 3993

I have a 13 gallon tank full of zoanthids and some snails and hermits and a pistol shrimp goby pair. I’m looking to add a fish that is appropriate for a nano tank and will help reduce the algae. I wouldn’t say algae is a problem but snails don’t really seem to be doing anything about the hair...