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Actually you would have to be careful not to overdose CO2 before lights on. Before lights on is the most stressful period if you have livestock since the plants have been using O2 all night and producing CO2. I think we would need to know what algae it is for a start before jumping to...

I had the same thing, had to tighten mine a lot.

CO2Art works fine. I imagine the Seachem is quite easy to break as it's glass.

Maybe I'll just rig up the CO2 after the chiller then. Won't make much difference aesthetically I guess since the chiller will already be outside the cabinet. Removes any doubt.

Hey - unlikely scenario for the UK I know but with temps in tropical Australia starting to ramp up and tank temps of 28 C+ already I have purchased a chiller. Just wondering if anybody has run inline CO2 before a chiller before and whether it could damage the chiller. I have seen some threads...

I'm using the CO2art inline diffuser but they also do one like this. Can't think that an in tank diffuser would beat inline though.

Same for CO2art here in Australia but mines not too bad. Needle valve is a bit faulty atm but I have it set and forget and just adjusting timings instead now. Sent from my Pixel 4 XL using Tapatalk

Possibly dust in your reg, that when you pressurised it blocked the reg.

There is another similar CO2 retailer in the UK, not sure if I am allowed to name due to non-sponsor. They might have something smaller?

CO2art (forum sponsor) do all the kit you need for this including a sodastream adapter and will be able help you with it if you ask via their website. Their regs are quite large though so may not look the best. However, nano regs (including many of those GLA) are unlikely to be as good quality...

Based on my observations of the filter pipes it 200% would.

Think it was 15% my first order to Australia. From the EU store so I assume it works for UK too. Sent from my Pixel 4 XL using Tapatalk

It should only make a big difference if you have a shallow tank or any factor impacting the water surface which changes a lot with evaporation - like tank rims or water outlet. Otherwise must be something else.

Not for me. If you have your outlet near the surface of the tank and you don't top up evaporation then maybe surface agitation has changed. Saw in a Green Aqua video they had a tank with rim and outlet near the top effecting the CO2 levels a lot. When water touched the rim there would have been...

Put it behind the cabinet?

602 is probably your best bet because 603 adds CO2 based on the pH level and it often under doses. Also it assumes that pH is only affected by CO2 concentration so if it's affected by other stuff (which it will be), like water changes, bogwood or rock and fish waste then it's totally inaccurate.

Let me know how it does mate, I have one I want to sell soon, cheers.

Quite a bit cheaper if bought in bulk though. CO2 is probably the way to go though.

For a heavily planted tank, the dosage is 2ml per 50l per day, which is probably the dosage you want.

Oh cool just checking cause they changed the regulators and solenoids.

Hey guys, Yesterday I acquired two CO2 sets from work as my boss wasn't using them anymore, anyway they aren't complete kits, but basically they have everything I want apart from the refillable bottles which I need to buy. The sets I have are the m603 apart from the bottle and the Regulator and...

Was reading a similar topic earlier in which Ceg stated that you shouldn't run them dry because it can get air / dirt / moisture into the CO2 bottle which could cause a weakness in the bottle, so just something to bare in mind.

We sell them at work (MA), I imagine the rest of the chain do the same.

Don't know if any uses these anymore but found out at work today (Maidenhead Aquatics Brighton) that we replace swap empty JBL cylinders for full ones for the cost of us getting them refilled by JBL. Don't know about other shops in our chain but I would imagine other shops provide the same...

I will try 1/2 tsp and failing that less.

Probably gonna try out the ladder. How much of teaspoon of yeast should I use? How often should I change the mix (less yeast, longer lasting I heard)? Do I really need a drop checker? Need more opinions.

Yeah, Rhinox probably.

Rhinox?

To add more, it's this or Tetra CO2 Optimat. I guess Nutrafin wins?

I'm looking to get a Nutrafin Kit for my nano of 30L, but have a couple of questions. How much of teaspoon of yeast should I use? How often should I change the mix (less yeast, longer lasting I heard)? Do I really need a drop checker?

If anyone could source me some cheap CO2 (non fire extinguisher) then I'd be grateful. 600g welding bottles is the cheapest non FE isn't it? Also how long would one of these run on my 120l? By the way solenoid is preferred since it will pay itself off. http://www.aquaessentials.co.uk/index.p...