Lawnmower blenny problem? - Aquarium Advice

Jdig · 02-11-2007, 01:30 PM

I just replaced a disappearing firefish with a lawnmower blenny. About a week after I added the blenny my Squamosa clam & all mushrooms closed up tightly. The clam will open slightly when the lights are on but it definately does not look normal. It's a 20gal reef tank that has been up and running for about 2 years with all inhabitants living healthy. The only recent change was the blenny addition after my firefish disappeared. All tank parameters have been within spec for the past 2 years. My calcium was slightly low after I added the clam but I upped the dosage of my calcium supplementation & now it's fine. I also have a hammer coral, pagoda, leather, candycane, zoos & gonopora which are all fine. It's just the clam & mushrooms that are a problem. I haven't seen the blenny picking at anything. Do you think he's bothering the clam & mushrooms and I just haven't seen it? Any advice would be appreciated. (I also did two 5gal water changes over the first week after I noticed a problem)

**melosu58** · 02-11-2007, 01:46 PM

If you could do some water checks and post the results it would help. That clam and those corals need excellent water conditions. How often do you usually do PWC`c. They are not for only when your tank is in trouble. IMO weekly ones are in order for a reef tank. I`m wondering if the disapearing fish might have something to do with it. Hope all goes well

Jdig · 02-11-2007, 01:57 PM

I do a 3 gal/week water change with RO/DI water from a filter set up in my basement. I haven't lost a living thing in the 2 years due to poor tank conditions. (I actually think the firefish jumped thru a hole in the eggcrate & my dog ate it. It was there one day & gone the next)

test results from this past Friday

ammonia 0
nitrite 0
nitrate undetectable by test kit- thanks to HOB refugium
phosphate undectectable
ph 8.1
calcium 380
dkh 7
temp 78

I know ph, calcium, dkh may be considered on the low side by some but it has been this way for 2 years.

**melosu58** · 02-11-2007, 03:54 PM

Quote:

Originally Posted by Jdig

I know ph, calcium, dkh may be considered on the low side by some but it has been this way for 2 years.

Your PH is fine. Stability is the name of the game. I would consider your calcium good enough

02-11-2007, 01:30 PM	#1
Jdig Aquarium Advice Newbie Join Date: Feb 2005 Location: NY Posts: 3	Lawnmower blenny problem? I just replaced a disappearing firefish with a lawnmower blenny. About a week after I added the blenny my Squamosa clam & all mushrooms closed up tightly. The clam will open slightly when the lights are on but it definately does not look normal. It's a 20gal reef tank that has been up and running for about 2 years with all inhabitants living healthy. The only recent change was the blenny addition after my firefish disappeared. All tank parameters have been within spec for the past 2 years. My calcium was slightly low after I added the clam but I upped the dosage of my calcium supplementation & now it's fine. I also have a hammer coral, pagoda, leather, candycane, zoos & gonopora which are all fine. It's just the clam & mushrooms that are a problem. I haven't seen the blenny picking at anything. Do you think he's bothering the clam & mushrooms and I just haven't seen it? Any advice would be appreciated. (I also did two 5gal water changes over the first week after I noticed a problem)

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02-11-2007, 01:57 PM	#3
Jdig Aquarium Advice Newbie Join Date: Feb 2005 Location: NY Posts: 3	I do a 3 gal/week water change with RO/DI water from a filter set up in my basement. I haven't lost a living thing in the 2 years due to poor tank conditions. (I actually think the firefish jumped thru a hole in the eggcrate & my dog ate it. It was there one day & gone the next) test results from this past Friday ammonia 0 nitrite 0 nitrate undetectable by test kit- thanks to HOB refugium phosphate undectectable ph 8.1 calcium 380 dkh 7 temp 78 I know ph, calcium, dkh may be considered on the low side by some but it has been this way for 2 years.