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I tested and found my PH to be low, so I added some baking soda to stop where it was or raise it some. Now my PH is 8.0 and my KH is very high at 17. My ca. is 330. What do I need to do about the KH?

About 6 weeks ago I put Caulerpa and 5 mangrove trees in my 4 gal refugium. The macro algae grew so fast I had to thin it out after 4 weeks. I removed my protein skimmer about 4 weeks ago also because it kept getting, what looks like very short hair algae, in the water supply line going to the...

I plan to build a refugium, so I wanted to test the bond that the Weldon #16 would give to two well fitted pieces of 1/4 inch acrylic. I placed a even coat of the Weldon on and let it set for several hours. I put very little pressure on the bonded piece and it came apart. Can I trust this stuff...

I need to get rid of this algae or the reef itself. Tired of fooling with it. I had a little spot of what appears to be turf algae on one of my rock when I purchased it nearly ten months ago. Now in the last few months, it has spread to several other rocks and is still moving. My water parms are...

I have a freshwater 55g that I want to convert to a sw fish tank. It has 2 of the larger Whisper filters, plastic grass and white gravel. Will they be OK to use in the fish tank? I plan to use NO lighting also. Please give me some advice. Thanks.

I have a 55 gal fresh water tank that has been up for years. Kind of lost interest in it, so it got run down. I would like to clean it up and put more fish in. My well water has no nitrate , nitrite nor phos., but the ph is 8.3. What can I use to lower it to 7.0 and keep it there. Thanks.