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Search: Keyword(s): ; Posts Made By: Whitebeam
Forum: DIY 03-03-2013, 06:17 PM
Replies: 585
Views: 103,114
Posted By Whitebeam
My thanks for that. Any idea how consistent that...

My thanks for that. Any idea how consistent that 24.7 from one meter to the next?

Peter
Forum: DIY 03-02-2013, 09:11 PM
Replies: 585
Views: 103,114
Posted By Whitebeam
How much tweaking of the calibration pot are you...

How much tweaking of the calibration pot are you guys having to do to get the thing calibrated against the real PAR meter? Is the circuit still as the first post, but with a pot inline with the fixed...
Forum: DIY 01-20-2013, 07:45 AM
Replies: 585
Views: 103,114
Posted By Whitebeam
Superb - my thanks. I just want to take...

Superb - my thanks.

I just want to take relative readings between my current T5s and my new multi-chip leds, once I've assembled them, so I won't need to worry too much about calibration.

Peter
Forum: DIY 01-19-2013, 03:50 PM
Replies: 585
Views: 103,114
Posted By Whitebeam
Any chance you could post the latest Arduino...

Any chance you could post the latest Arduino sketch for this please? I have the sensor and an Uno and would love to have a play.

Also, has anybody made a unit using the TCS3200D sensor that was...
Forum: Plants 11-07-2010, 07:36 AM
Replies: 4
Views: 1,424
Posted By Whitebeam
Can we blame flow? I have issues with moss...

Can we blame flow?

I have issues with moss collecting algae in the centre of the column. My filter return is via a spray bar at the top rear of the tank and this induces a full length cylindrical...
Forum: Shrimp & Other Invertebrates 09-02-2010, 03:50 AM
Replies: 10
Views: 3,171
Posted By Whitebeam
I start with nitrate >= 25ppm in my tap water,...

I start with nitrate >= 25ppm in my tap water, thanks to the local farmers and water sourced from chalk boreholes. My tank always ends the week at 25ppm < Nitrate < 50ppm (calibrated API and Salifert...
Forum: Plants 09-02-2010, 03:39 AM
Replies: 10
Views: 1,804
Posted By Whitebeam
So can I take it from this that cuttings root...

So can I take it from this that cuttings root easily?

Blasted LFS told me today that Tropica were 'out of stock' when they placed the order last week. Based on previous things I've asked them to...
Forum: Plants 08-30-2010, 07:54 AM
Replies: 3
Views: 1,651
Posted By Whitebeam
I have some on order at my LFS - delivery due...

I have some on order at my LFS - delivery due Wednesday.

It was recommended to me for my 90l/1.5WPG/CO2/EI setup when I appealed for suggestions for a carpeting plant on UKAPS. I'm looking forward...
Forum: Plants 08-29-2010, 02:38 PM
Replies: 4
Views: 595
Posted By Whitebeam
And fish that won't pass their time rootling it...

And fish that won't pass their time rootling it all out and apparently spitting it into the filter intake piece by piece - that's what happened to mine, anyway :icon_roll

Peter
Forum: Plants 08-29-2010, 02:15 PM
Replies: 22
Views: 1,323
Posted By Whitebeam
Most of mine is due to meet the compost heap...

Most of mine is due to meet the compost heap later this week, as some new plants are due to be delivered.

That said, I'm pleased I bought the plant as it did exactly what I wanted it to - grow...
Forum: Algae 08-05-2010, 11:29 AM
Replies: 29
Views: 1,707
Posted By Whitebeam
Could you please talk us through how you "spot...

Could you please talk us through how you "spot treat[ed] any BBA I could find"?

Did you take the plants out, or did you somehow do this underwater?

Peter
Forum: Fertilizers and Water Parameters 08-04-2010, 07:40 PM
Replies: 51
Views: 29,771
Posted By Whitebeam
A challenge! This is taking me back 28 years to...

A challenge! This is taking me back 28 years to my O-Level chemistry class - wow. Check my rusty theory here and then I'll try to work out 'kitchen' units later on ...

Looking at your NO3 example...
Forum: Fertilizers and Water Parameters 08-04-2010, 05:43 PM
Replies: 51
Views: 29,771
Posted By Whitebeam
This looks supurb, and is probably just what I...

This looks supurb, and is probably just what I need to help resolve the difference between my tap water (25ppm Nitrate) and the time for a critical water change (50ppm? Nitrate). Two questions...
Forum: Fertilizers and Water Parameters 08-01-2010, 06:45 AM
Replies: 2
Views: 1,186
Posted By Whitebeam
Thanks. Those numbers generally agree with the...

Thanks. Those numbers generally agree with the ones I later found for TPN+ (minus the N & P) here:

www dot theplantedtank dot co dot uk stroke allinone dot htm

(Sorry about the 'dots' - I can't...
Forum: Fertilizers and Water Parameters 07-31-2010, 06:42 PM
Replies: 2
Views: 1,186
Posted By Whitebeam
TPN Analysis?

I've just bought some TPN on the recommendation of a colleague. I was expecting to see some form of analysis of what is in it and at what concentration printed on the bottle when it arrived - but the...
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