Unlikely, pH doesn't have a big effect on algae at normal levels, a high pH (8+) will encourage growth though, how high is your now? As said above if you feed sparingly & fast your fish a couple of days a week many of them will graze on the algae & if you put in half a dozen nerite snails they'll go to work on it & clean up in no time.michaelsf90 said:I've added crushed coral to raise ph for snails. Could it be this that has caused a bacterial bloom? Ive lost a few fish as well. Say I added crushed coral two months ago?
What fish do you have that are dying? I had the same issue with pH as you, it kept dropping to low 6 & even below sometimes, I also put crushed coral into my filter & it's now up to a healthy 7.2 which is great for my rainbows (and snails which were looking a bit tattered in the low pH). I'm sure you already know but pH fluctuations can stress fish out & make them more susceptible to diseases.michaelsf90 said:I'm starting fasting days. I just need to work out what's killing my fish. The usual parameters are always flawless so something else is causing stress or harming the fish. My ph with crushed coral in is 7. Without crushed coral it dropped to below 6
I may be telling you something you already know. Water changes are only really as good as the quality of the water you're putting back. We have issues with our tap water. High nitrates 10ppm and high phosphates 2ppm. I've never been concerned about the nitrates as we can actually bring them down through the filter. But the phosphates have dictated the time the lights can be on. So we've opted for RODI water and a phosphate reactor. My 13 year old daughter keeps tropical fish. Dad (me) is both the cost consultant and biologist. The former is easy, however, the latter is keeping me on my toes .michaelsf90 said:The fish aren't interested one bit. I'm having a tough time with my tank at the minute. A lot of things seem to be going on with the chemistry and things seem to be changing despite regular water changes and cleaning. I think the snails like it tho!